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Index des articles classŽs par pays

 
Index of the articles classified by countries


AlgŽrie
Algeria

Delforge, P. 2000.- LÕOphrys admirable de Monsieur von Hayek. Natural. belges 81 (Orchid. 13): 93-110 + 2 figs.
[
Mr. von Hayek's admirable Ophrys]

Delforge, P. 2015. - Nouvelles contributions taxonomiques et nomenclaturales aux OrchidŽes dÕEurope. Natural. belges  96 (Orchid. 28): 14-21.
[
New nomenclatural and taxonomical contributions to European Orchids]


Allemagne
Germany


Delforge, P. (coll. F. Coulon, P. Devillers, J. Duvigneaud & ƒ. Walravens) 1998.- OrchidŽes de Wallonie - ƒvaluation de la situation de treize espces menacŽes ou devant faire lÕobjet dÕune attention particulire. Natural. belges 79 (Orchid. 11): 131-200.
[
Orchids of Wallonia - Appraisal of the situation of thirteen species  threatened or needing particular attention]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. & GŽvaudan, A. 2002.- Contribution taxonomique et nomenclaturale au groupe dÕEpipactis leptochila. Natural. belges 83 (Orchid. 15): 19-35.
[
Taxonomical and nomenclatural contribution to the Epipactis leptochila species group]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Delforge, P., ƒvrard, D. & Mast de Maeght, J. 2011.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2009-2010. Natural. belges 92 (Orchid. 24): 1-13.
[Section Orchids of Europe - Report of activities 2009-2010]

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P. 2016.- Que devient un individu robuste d'Epipactis helleborine (L.) Crantz. aprs une transplantation rŽussie ? Implications pour le statut d'Epipactis helleborine var. minor Engel et d'Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack. Natural. belges 97 (Orchid. 29): 89-124.
[What has become of a robust Epipactis helleborine (L.) Crantz after a successful transplantation? Implications for the status of Epipactis helleborine var. minor Engel and Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack]

Autriche
Austria

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Delforge, P. 2011.- Gymnadenia rubra Wettstein et la taxonomie des nigritelles apomictiques. Natural. belges 92 (Orchid. 24): 87-116.
[
Gymnadenia rubra WETTSTEIN 1889 and the taxonomy of apomictic Vanilla Orchids]

Belgique Belgium

Delforge, P. 1996.- Note sur deux Epipactis de la RŽgion bruxelloise. Natural. belges 77 (Orchid. 9): 218-223.
[
Note on two Epipactis of the Brussels Region]

Delforge, P. 1997.- Bref aperu des orchidŽes de zones humides en Wallonie. Actes du Colloque sur les zones humides, Bruxelles 11 janvier 1997: 45-50.
[
Brief overview of the orchids of wet zones in Wallonia]

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

Delforge, P. 1998.- RŽflexions diverses sur quelques orchidŽes de Wallonie. Natural. belges 79 (Orchid. 11): 201-218.
[
Diverse reflections on some Orchids of Wallonia]

Delforge, P. 1998.- Des Epipactis helleborine (L.) Crantz dŽpourvus de chlorophylle dans les environs de Bruxelles. Natural. belges 79 (Orchid. 11): 124-130.
[
Chlorophyll-less Epipactis helleborine (L.) CRANTZ in the vicinity of Brussels]

Delforge, P. (coll. F. Coulon, P. Devillers, J. Duvigneaud & ƒ. Walravens) 1998.- OrchidŽes de Wallonie - ƒvaluation de la situation de treize espces menacŽes ou devant faire lÕobjet dÕune attention particulire. Natural. belges 79 (Orchid. 11): 131-200.
[
Orchids of Wallonia - Appraisal of the situation of thirteen species  threatened or needing particular attention]

Coulon, F. ( ), Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 1999.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1997-1998. Natural. belges 80 (Orchid. 12): 97-110.
[Section Orchids of Europe - Report of activities 1997-1998]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Delforge, P. 2010- Section OrchidŽes d'Europe - Bilan des activitŽs 2008-2009. Natural. belges 91 (Orchid. 23): 1-14.
[Section Orchids of Europe - Report of activities 2008-2009]

Baeten, F., Dierkx, J. & Delforge, P. 2011.- PrŽsence en Belgique d'un ×Dactylodenia, hybride intergŽnŽrique naturel entre Dactylorhiza et Gymnadenia. Natural. belges 92 (Orchid. 24): 45-70.
[
Presence in Belgium of a ×Dactylodenia, intergeneric natural hybrid between Dactylorhiza and Gymnadenia]

Delforge, P., ƒvrard, D. & Mast de Maeght, J. 2011.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2009-2010. Natural. belges 92 (Orchid. 24): 1-13.
[Section Orchids of Europe - Report of activities 2009-2010]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. 2012.- Deuxime Ždition revue et augmentŽe du Guide des OrchidŽes de France, de Suisse et du Benelux: modifications taxonomiques, rŽdactionnelles et nomenclaturales. Natural. belges 93 (Orchid. 25): 17-32.
[
Second revised and expanded edition of the ÒGuide to the Orchids of France, Switzerland, and BeneluxÓ: taxonomical, textual, and nomenclatural modifications]

Baeten, F., Dierkx, J. & Delforge, P. 2013.- Het voorkomen in Belgi‘ van een ×Dactylodenia, natuurlijke intergenerische hybride tussen Dactylorhiza en Gymnadenia. Liparis 19: 49-78.
[
Presence in Belgium of a ×Dactylodenia, intergeneric natural hybrid between Dactylorhiza and Gymnadenia]

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

MariamŽ, Ph. & Delforge, P. 2013. - Epipactis leptochila (Godfery) Godfery en Meuse dinantaise (province de Namur, Belgique). Natural. belges 94 (Orchid. 26): 85-106.
[Epipactis leptochila
(Godfery) Godfery in the Dinant Meuse (province of Namur, Belgium)]


Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P. 2016.- Que devient un individu robuste d'Epipactis helleborine (L.) Crantz. aprs une transplantation rŽussie ? Implications pour le statut d'Epipactis helleborine var. minor Engel et d'Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack. Natural. belges 97 (Orchid. 29): 89-124.
[What has become of a robust Epipactis helleborine (L.) Crantz after a successful transplantation? Implications for the status of Epipactis helleborine var. minor Engel and Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack]

Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Delforge, P. 2017.- Que devient en 2017 un Epipactis helleborine (L.) Crantz robuste aprs une transplantation rŽussie, effectuŽe en 2011? Natural. belges 98 (Orchid. 30): 62-68.
[What has become of a robust Epipactis helleborine (L.) Crantz in 2017, after a successful transplantation made in 2011 ?]

ƒvrard, D. & Delforge, P. 2017.- Une remarquable station d'OrchidŽes dans un parc industriel du nord du Hainaut (Belgique). Natural. belges 98 (Orchid. 30): 22-30.
[A remarkable Orchid station in an industrial park of Northern Hainaut (Belgium)]

Delforge, P. 2020.- DŽtermination d'une Platanthre dans les Hautes-Alpes (France): tout se complique. L'Orchidophile 51 (225): 177-186.
[Determination of a Platanthera in the Hautes-Alpes (France): things get complicated]

Delforge, P. 2020.- Ë propos de quelques Žpithtes latines dÕorchidŽes d'Europe. Bull. Gr. Rh™ne-Alpes S.F.O. n¡42: 56-63.
[About some Latin epithets of European orchids]

Delforge, P. 2021.- Troisime Ždition mise ˆ jour et augmentŽe du guide Delachaux OrchidŽes de France, de Suisse et du Benelux (2021): modifications taxonomiques, rŽdactionnelles, iconographiques et nomenclaturales. Orchidelf. Comm. 2: 1-16.
[Third updated and expanded edition of the guide Delachaux Orchids of France, Switzerland, and Benelux: taxonomical, textual, iconographic, and nomenclatural modifications]

Chypre Cyprus

Delforge, P. 1990.- Contribution ˆ la connaissance des orchidŽes du sud-ouest de Chypre et remarques sur quelques espces mŽditerranŽennes. Natural. belges 71 (Orchid. 4): 103-144.
[
Contribution to the knowledge of the orchids of the south-west of Cyprus and remarks on some Mediterranean species]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Croatie
Croatia

Delforge, P. 1990.- Le groupe dÕOphrys bertolonii Moretti. MŽm. Soc. Roy. Bot. Belg. 11 (1989): 7-29.
[The group of Ophrys bertolonii Moretti]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Kranjcev, R. & Delforge, P. 2004.- LÕOphrys du Dinara, Ophrys dinarica, une espce croate mŽconnue. Natural. belges 85 (Orchid. 17): 27-38.
[
The Ophrys of the Dinara, Ophrys dinarica, an overlooked species from Croatia]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P. 2006.- Contribution ˆ la connaissance des OrchidŽes de Croatie. RŽsultats de cinq annŽes de prospections. Natural. belges 87 (Orchid. 19): 141-200.
[Contribution to te knowledge of the Orchids of Croatia - Results of five years of prospecting]

Delforge, P. 2006.- Ophrys ×cicmiriana et Ophrys ×kranjcevii, deux nouveaux hybrides dÕOphrys de Croatie. Natural. belges 87 (Orchid. 19): 252-257.
[
Ophrys ×cicmiriana and Ophrys ×kranjcevii, two new hybrids of Croatia]

Delforge, P., Cicmir, R., Kranjcev, R. & GŽvaudan, A. 2006.- Validation de la description dÕEpipactis rivularis Krancjev & Cicmir, une espce croate du groupe dÕEpipactis albensis (Orchidaceae). Natural. belges 87 (Orchid. 19): 69-84.
[
Validation of the description of Epipactis rivularis KRANJCEV & CICMIR, a Croatian species of the Epipactis albensis species group (Orchidaceae)]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Danemark
Denmark

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Espagne
Spain

Delforge, P. 1989.- Les orchidŽes de la Serrania de Cuenca (Nouvelle-Castille, Espagne). Observations et esquisse dÕune cartographie. Natural. belges 70 (Orchid. 3): 99-128.
[
The Orchids of the Serrania of Cuenca (Castilla-la Mancha, Spain) Ð Observations and cartographical sketch]

Delforge, P. 1990.- Le groupe dÕOphrys bertolonii Moretti. MŽm. Soc. Roy. Bot. Belg. 11 (1989): 7-29.
[The group of Ophrys bertolonii Moretti]

Delforge, P. 1990.- Nouvelles observations sur lÕOphrys de Castille. Coll. Soc. Fran. Orchidophilie 11 (1989): 113-116.
[
New observations on the Ophrys of Castile]

Delforge, P. 1992.- La Nigritelle des Picos de Europa (Espagne). Natural. belges 73 (Orchid. 5): 137-142.
[
The Vanilla Orchid from the Picos de Europa (Spain)]

Delforge, P. 1994. - Remarques sur quelques espces dÕOphrys parfois arachnitiformes et nouvelles donnŽes sur la distribution dÕOphrys castellana J. & P. Devillers- Terschuren en Espagne (Orchidaceae). Natural. belges 75 (Orchid. 7): 171-186.
[
Remarks on some occasionally arachnitiform Ophrys and new data for the distribution of Ophrys castellana J. & P. Devillers- Terschuren in Spain (Orchidaceae)]

Delforge, P. 1995.- Contribution ˆ la connaissance des OrchidŽes de la Province de Burgos (Vieille Castille, Espagne). Natural. belges 76 (Orchid. 8): 232-276.
[Contribution to the knowledge of the Orchids of the Province of Burgos (Castilla-Le—n, Spain)]

Delforge, P. 1995.- Epipactis campeadorii, une nouvelle espce ibŽrique du groupe dÕEpipactis leptochila. Natural. belges 76 (Orchid. 8): 89-97.
[
Epipactis campeadorii, a new Iberian species of the Epipactis leptochila group]

Delforge, P. 1997.- Epipactis phyllanthes G.E. Smith en France et en Espagne - DonnŽes nouvelles, rŽvision systŽmatique et consŽquences taxonomiques dans le genre Epipactis. Natural. belges 78 (Orchid. 10): 223-256.
[
Epipactis phyllanthes G.E. SMITH in France and Spain - New data, systematic revision and taxonomical consequences inside the genus Epipactis]

Delforge, P. 1999.- Contribution ˆ la connaissance des OrchidŽes prŽcoces de la province dÕAlicante (Espagne). Natural. belges 80 (Orchid. 12): 233-243.
[Contribution to the knowledge of the early-flowering Orchids of  the Province of Alicante (Spain)]

Delforge, P. 1999.- Contribution ˆ la stabilisation de la nomenclature dans le groupe dÕOphrys fusca: dŽsignation dÕun nŽotype pour Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824, Ophrys bilunulata Risso 1844 et Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909. Natural. belges 80 (Orchid. 12): 181-231, 276.
[
Contribution to the stabilization of the nomenclature in the Ophrys fusca species group: designation of a neotypus for Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824Ophrys bilunulata Risso 1844 and Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909]

Delforge, P. 1999.- Ophrys arnoldii et Ophrys lucentina, deux espces nouvelles du groupe dÕOphrys fusca. Natural. belges 80 (Orchid. 12): 244-260, 277-278.
[
Ophrys arnoldii and Ophrys lucentina, two new species of the Ophrys fusca group]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

GŽvaudan, A., Lewin, J.-M. & Delforge, P. 2001.- Contribution ˆ la connaissance du groupe dÕEpipactis phyllanthes: dŽlimitation, Žcologie et distribution dÕEpipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999. Natural. belges 82 (Orchid. 14): 39-104.
[
Contribution to the knowledge of the Epipactis phyllanthes species group: delimitation, ecology and distribution of Epipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. 2004.- Le type dÕOphrys lucentina. Natural. belges 85 (Orchid. 17): 77-88.
[
The type of Ophrys lucentina]

Delforge, P. 2004.- Le SŽrapias dÕElsa. Natural. belges 85 (Orchid. 17): 103-109.
[The Elsa's Serapias]

Delforge, P. 2004.- Contribution ˆ la clarification de la nomenclature dans la section Pseudophrys Godfery 1928 (Orchidaceae). Natural. belges 85 (Orchid. 17): 110-124.
[
Contribution to the clarification of the nomenclature in the sectio Pseudophrys GODFERY 1928 (Orchidaceae)]

Delforge, P. 2004.- Remarques sur Epipactis distans Arvet-Touvet et description dÕEpipactis molochina sp. nova, une espce espagnole jusquÕici mŽconnue. Natural. belges 85 (Orchid. 17): 149-187.
[
Remarks on Epipactis distans ARVET-TOUVET and description of Epipactis molochina sp. nova, a Spanish species until now overlooked]

Delforge, P. & GŽvaudan, A. 2004. - Epipactis maestrazgona sp. nova, une espce du groupe dÕEpipactis leptochila, endŽmique du Systme ibŽrique mŽridional (province de Teruel, Aragon, Espagne). Natural. belges 85 (Orchid. 17): 49-70.
[
Epipactis maestrazgona sp. nova, a species of the  Epipactis leptochila species group, endemic of the Iberian Meridional System (province of Teruel, Aragon, Spain) ]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P. 2019.- Remarques sur l'identitŽ dÕOphrys suboccidentalis et, en consŽquence, sur la rŽpartition Ophrys massiliensis. J. Eur. Orch.51: 339-362.
[Remarks on the identity of Ophrys suboccidentalis and, consequently, on the distribution of Ophrys massiliensis]

Delforge, P. 2024.- Ophrys arachnitiformis, Ophrys garganica ou Ophrys caloptera? Les avatars de l'Ophrys de la Passion, Ophrys passionis Sennen 1926. Orchidelf. Comm. 7: 1-28.
[Ophrys arachnitiformis, Ophrys garganica or Ophrys caloptera ? The avatars of the Passion Ophrys, Ophrys passionis Sennen  1926.]
Delforge, P. 2024.- Ophrys catalaunica ou Ophrys montserratensis ? Quel nom pour lÕespce catalane du groupe dÕOphrys bertolonii ? Orchidelf. Comm. 9: 1-14.
[Ophrys catalaunica or Ophrys montserratensis ? What name for the Catalan species of the Ophrys bertolonii group ?

Estonie Estonia

Delforge, P. & Kreutz, C.A.J. 2005.- Remarks on Estonian Orchids. Natural. belges 86 (Orchid. 18): 21-56.

Pikner, T. & Delforge, P. 2005.- The Dactylorchid of Saaremaa (Estonia), Dactylorhiza osiliensis sp. nova. Natural. belges 86 (Orchid. 18): 65-80.

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

France


Delforge, P. 1981.- Une nouvelle station de lÕOrchis spitzelii Sauter en France. LÕOrchidophile 12(47): 1829-1833.
[
A new station of Orchis spitzelii Sauter in France]

Delforge, P. (ref. T. Rosvall) 1982.- Om Alpinycklare I Frankrike Orchis spitzelii Sauter. Rindi 2(1): 2-3.

Delforge, P. & Tyteca, D. 1982.- Observations sur les orchidŽes des PrŽalpes de Grasse, de lÕEsterel et des Maures. Natural. belges 63: 53-90. [Observations on the orchids of Pre-Alps of Grasse, Esterel, and The Maures]

Delforge, P. & Tyteca, D. 1982.- Quelques orchidŽes rares ou critiques dÕEurope occidentale. Bull. Soc. Roy. Bot. Belg. 115: 271-288.
[
Some rare or critical orchids of Western Europe]

Delforge, P. & Tyteca, D. 1982.- Epipactis tremolsii C. Pau en France. LÕOrchidophile 13 (54): 186-188.
[
Epipactis tremolsii C. PAU in France]

Delforge, P. 1983.- Orchis spitzelii Sauter en France. LÕOrchidophile 14 (56): 346-350.
[
Orchis spitzelii SAUTER in France]

Delforge, P. 1983.- Remarques sur Ophrys insectifera subsp. aymoninii Breitsroffer et description dÕun hybride nouveau de cette sous-espce: Ophrys insectifera nsubsp. tytecaeana Delforge. LÕOrchidophile 14 (55): 307-312.
[
Remarks on Ophrys insectifera subsp. aymoninii Breitsroffer and description of a new hybrid of this subspecies: Ophrys insectifera nsubsp. tytecaeana Delforge]

Delforge, P. 1984.- Ophrys ×leguerrierae hybr. nat. nov. LÕOrchidophile 15 (60): 517-518.

Delforge, P. 1984.- LÕOphrys de lÕAveyron. LÕOrchidophile 15 (61): 577-583.
[
The Ophrys of Aveyron]

Delforge, P. 1985.- Orchis ×klopfensteiniae hybr. nat. nov. LÕOrchidophile 16 (68): 912-914.

Delforge, P. 1988.- Une orchidŽe nouvelle dans la Dr™me. Natural. belges 69: 188.
[
A new Orchid in the Dr™me]

Delforge, P. 1989.- Le groupe dÕOphrys bertolonii en France. 1 Les PrŽalpes. LÕOrchidophile 20 (85): 13-21.
[
The group of Ophrys bertolonii in France. 1. The Pre-Alps]

Delforge, P., Devillers-Terschuren J. & Devillers, P. 1989.- Le groupe dÕOphrys bertolonii en Provence et en Languedoc. Natural. belges 70 (Orchid. 3): 73-84.
[
The group of Ophrys bertolonii in Provence and Languedoc]

Delforge, P. 1990.- Le groupe dÕOphrys bertolonii Moretti. MŽm. Soc. Roy. Bot. Belg. 11 (1989): 7-29.
[The group of Ophrys bertolonii Moretti]

Delforge, P. 1989.- A propos de sept hybrides dÕOphrys. Natural. belges 70 (Orchid. 3): 89-95.
[
About seven Ophrys hybrids]

Delforge, P. 1992.- RŽflexions ˆ propos de trois nothogenres dÕOrchidŽes dÕEurope et description de deux hybrides intergŽnŽriques nouveaux. Natural. belges 73 (Orchid. 5): 125-136.
[
Reflexions about three nothogenera of European Orchids and description of two new intergeneric hybrids]

Delforge, P. 1996.- Contribution ˆ la connaissance des OrchidŽes du dŽpartement du Gers (Midi-PyrŽnŽes, France). Natural. belges 77 (Orchid. 9): 171-190.
[Contribution to the knowledge of the Orchids of the department of the Gers (Midi-PyrŽnŽes, France)]

Delforge, P. 1996.- LÕOphrys du Gers, Ophrys aegirtica, une espce mŽconnue de la flore franaise. Natural. belges 77 (Orchid. 9): 191-217.
[The Ophrys of the Gers, Ophrys aegirtica, an unrecognized species of the French flora]

Delforge, P. 1997.- Nouveaux hybrides naturels dÕOrchidŽes dÕEurope. Natural. belges 78 (Orchid. 10): 177-188.
[
New natural hybrids of European Orchids]

Delforge, P. 1997.- Epipactis phyllanthes G.E. Smith en France et en Espagne - DonnŽes nouvelles, rŽvision systŽmatique et consŽquences taxonomiques dans le genre Epipactis. Natural. belges 78 (Orchid. 10): 223-256.
[
Epipactis phyllanthes G.E. SMITH in France and Spain - New data, systematic revision and taxonomical consequences inside the genus Epipactis]

Delforge, P. & Gerbaud, O. 1997.- Nouvelles donnŽes sur la rŽpartition de Nigritella austriaca (Teppner & E. Klein) P. Delforge en France, dans les Alpes et le Jura. Natural. belges 78 (Orchid. 10): 81-102.
[
New data on the repartition of Nigritella austriaca (Teppner & E. Klein) P. Delforge in France, in the Alps and the Jura]

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

Delforge, P. (coll. F. Coulon, P. Devillers, J. Duvigneaud & ƒ. Walravens) 1998.- OrchidŽes de Wallonie - ƒvaluation de la situation de treize espces menacŽes ou devant faire lÕobjet dÕune attention particulire. Natural. belges 79 (Orchid. 11): 131-200.
[
Orchids of Wallonia - Appraisal of the situation of thirteen species  threatened or needing particular attention]

Delforge, P. & GŽvaudan, A. 1998.- Nouvelles donnŽes sur la rŽpartition dÕOphrys aegirtica P. Delforge en France. Natural. belges 79 (Orchid. 11): 81-98.
[New data on the repartition of Ophrys aegirtica P. DELFORGE in France]

Coulon, F. ( ), Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 1999.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1997-1998. Natural. belges 80 (Orchid. 12): 97-110.
[Section Orchids of Europe - Report of activities 1997-1998]

Delforge, P. 1999.- Contribution ˆ la stabilisation de la nomenclature dans le groupe dÕOphrys fusca: dŽsignation dÕun nŽotype pour Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824, Ophrys bilunulata Risso 1844 et Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909. Natural. belges 80 (Orchid. 12): 181-231, 276.
[
Contribution to the stabilization of the nomenclature in the Ophrys fusca species group: designation of a neotypus for Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824Ophrys bilunulata Risso 1844 and Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909]

Delforge, P. & Van Looken, H. 1999.- Note sur la prŽsence dÕOphrys sphegodes Miller 1768 dans le dŽpartement de lÕHŽrault (France). Natural. belges 80 (Orchid. 12): 113-119, 278.
[Note on the presence of Ophrys sphegodes Miller 1768 in the department of  HŽrault (34, France)]

Delforge, P. 2000.- LÕOphrys de Monsieur Philippe. Natural. belges 81 (Orchid. 13): 111-144 + 8 figs. 
[
Mr. Philippe's Ophrys]

Delforge, P., Devillers, P. & Devillers-Terschuren J. 2000.- Ophrys linearis, le nom correct au rang spŽcifique de lÕOphrys Òfuciflora ˆ longs pŽtalesÓ du sud-est de la France. Natural. belges 81 (Orchid. 13): 145-156 + 4 figs.
[
Ophrys linearis, the correct name, at the specific rank for the "long-petaled Ophrys fuciflora" of southeastern France]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P. 2001.- Note rectificative sur lÕidentitŽ dÕOphrys philippei Grenier 1859. Natural. belges 82 (Orchid. 14): 137-139.
[Correction about the identity of Ophrys philippei Grenier 1859]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. & Viglione, J. 2001.- Note sur la rŽpartition dÕOphrys sphegodes Miller 1768 et dÕOphrys virescens Philippe ex Grenier 1859 en Provence. Natural. belges 82 (Orchid. 14): 119-129.
[
Ophrys sphegodes Miller 1768 and Ophrys virescens Philippe ex Grenier 1859 in Provence]

GŽvaudan, A., Lewin, J.-M. & Delforge, P. 2001.- Contribution ˆ la connaissance du groupe dÕEpipactis phyllanthes: dŽlimitation, Žcologie et distribution dÕEpipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999. Natural. belges 82 (Orchid. 14): 39-104.
[
Contribution to the knowledge of the Epipactis phyllanthes species group: delimitation, ecology and distribution of Epipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999]

Delforge, P. & GŽvaudan, A. 2002.- Contribution taxonomique et nomenclaturale au groupe dÕEpipactis leptochila. Natural. belges 83 (Orchid. 15): 19-35.
[
Taxonomical and nomenclatural contribution to the Epipactis leptochila species group]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. 2003.- La Nigritelle robuste du Mont Cenis (Savoie, France). Natural. belges 84 (Orchid. 16): 117-132.
[
The robust Vanilla Orchid of the Mount Cenis (Savoy, France)]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P. & Viglione, J. 2006.- LÕOphrys de la Durance, Ophrys druentica sp. nova. Natural. belges 87 (Orchid. 19): 113-140.
[
The Ophrys of the Durance, Ophrys druentica sp. nova]

Devillers-Terschuren, J., Delforge P. & Devillers, P. 2006.- Ophrys sphegodes Miller 1768, nom correct, et Ophrys aranifera Hudson 1778, synonyme postŽrieur, sÕappliquent bien ˆ la mme espce. Natural. belges 87 (Orchid. 19): 85-122.
[
Ophrys sphegodes MILLER 1768, the correct name, and Ophrys aranifera HUDSON 1778, a posterior synonym, do apply to the same species]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Delforge, P. 2010- Section OrchidŽes d'Europe - Bilan des activitŽs 2008-2009. Natural. belges 91 (Orchid. 23): 1-14.
[Section Orchids of Europe - Report of activities 2008-2009]

Delforge, P. 2011.- Le Dactylorhiza d'Occitanie: statut et nomenclature. Natural. belges 92 (Orchid. 24): 14-24.
[The Dactylorhiza of Occitania: status and nomenclature]

Delforge, P. 2011.- Remarque sur la nomenclature de la Nigritelle robuste du Mont Cenis. Natural. belges 92 (Orchid. 24): 25-29.
[
Remark on the Nomenclature of the robust Vanilla Orchid of Mount Cenis]

Delforge, P., ƒvrard, D. & Mast de Maeght, J. 2011.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2009-2010. Natural. belges 92 (Orchid. 24): 1-13.
[Section Orchids of Europe - Report of activities 2009-2010]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. 2012.- Deuxime Ždition revue et augmentŽe du Guide des OrchidŽes de France, de Suisse et du Benelux: modifications taxonomiques, rŽdactionnelles et nomenclaturales. Natural. belges 93 (Orchid. 25): 17-32.
[
Second revised and expanded edition of the ÒGuide to the Orchids of France, Switzerland, and BeneluxÓ: taxonomical, textual, and nomenclatural modifications]

Delforge, P. 2013. - Relation dÕun voyage de la Section OrchidŽes dÕEurope autour du Vercors (France) en mai 2012 et remarques sur quatre espces d'Ophrys observŽes dans cette rŽgion. Natural. belges 94 (Orchid. 26): 27-52.
[
Account of a journey of the Section Orchids of Europe around theVercors (France) in May 2012 and remarks on four Ophrys species seen in this area]

Delforge, P. 2013. - Ophrys bertolonii, Ophrys aurelia, Ophrys romolinii. Natural. belges 94 (Orchid. 26): 53-60.

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Verstichel, Ch., Verstichel, M.-C., JŽgou, M., JŽgou, S. & Delforge, P. 2014. - Relation dÕun voyage de la Section OrchidŽes dÕEurope en Aveyron (12, France) en mai 2014 et remarque sur la distribution d'Ophrys aveyronensis. Natural. belges 95 (Orchid. 27): 23-66.
[Account of a journey of the Section Orchids of Europe in Aveyron (12, France) and remark on the distribution of Ophrys aveyronensis]

Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P. 2016.- Un pollinisateur pour Ophrys drumana P. Delforge. Natural. belges 97 (Orchid. 29): 78-88.
[A pollinator for Ophrys drumana P. DELFORGE]

Delforge, P. 2016.- Que devient un individu robuste d'Epipactis helleborine (L.) Crantz. aprs une transplantation rŽussie ? Implications pour le statut d'Epipactis helleborine var. minor Engel et d'Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack. Natural. belges 97 (Orchid. 29): 89-124.
[What has become of a robust Epipactis helleborine (L.) Crantz after a successful transplantation? Implications for the status of Epipactis helleborine var. minor Engel and Epipactis helleborine subsp. moratoria A. Riechelmann & A. Zirnsack]

Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Delforge, P. 2017.- Remarques sur les caractres distinctifs et la rŽpartition d'Ophrys quercophila M. Nicole et al. 2017. Natural. belges 98 (Orchid. 30): 31-61.
[Remarks on the diagnostic characteristics and the distribution of Ophrys quercophila M. Nicole et al. 2017]

Delforge, P. 2019.- Naissance, vie et fin souhaitable de deux erreurs: Ophrys bombyx, Ophrys aranifera. L'Orchidophile 50 (222): 241-244.
[Birth, life and desirable end of two errors: Ophrys bombyx, Ophrys aranifera]

Delforge, P. 2019.- PrŽsence dÕOphrys druentica, dÕOphrys virescens et de leur hybride dans la haute vallŽe de la Gervanne (Dr™me). Bull. Gr. Rh™ne-Alpes S.F.O. n¡40: 72-75.
[Presence of Ophrys druentica, Ophrys virescens and their hybrid in the upper Gervanne valley (Dr™me)]

Delforge, P. 2019.- Remarques sur l'identitŽ dÕOphrys suboccidentalis et, en consŽquence, sur la rŽpartition Ophrys massiliensis. J. Eur. Orch.51: 339-362.
[Remarks on the identity of Ophrys suboccidentalis and, consequently, on the distribution of Ophrys massiliensis]

Cahuzac, B. & Delforge, P. 2020.- PrŽsence dÕEpipactis exilis P. Delforge dans le dŽpartement des Landes (France) [Orchidaceae]  Bull. Soc. Linn. Bordeaux 155, nouv. sŽrie n¡48 (1): 1-11.
[Presence of Epipactis exilis P. Delforge  in the department of Landes (France)]

Delforge, P. 2020.- DŽtermination d'une Platanthre dans les Hautes-Alpes (France): tout se complique. L'Orchidophile 51 (225): 177-186.
[Determination of a Platanthera in the Hautes-Alpes (France): things get complicated]

Delforge, P. 2021.- Troisime Ždition mise ˆ jour et augmentŽe du guide Delachaux OrchidŽes de France, de Suisse et du Benelux (2021): modifications taxonomiques, rŽdactionnelles, iconographiques et nomenclaturales. Orchidelf. Comm. 2: 1-16.
[Third updated and expanded edition of the guide Delachaux Orchids of France, Switzerland, and Benelux: taxonomical, textual, iconographic, and nomenclatural modifications]

Delforge, P. 2022.- Ophrys truncata et les autres noms illŽgitimes d'OrchidŽes crŽŽs par l'abbŽ Dulac. L'Orchidophile 53 (233): 149-154.
[Ophrys truncata and the other illegitimate names of Orchids created by abbot Dulac]
Delforge, P. 2023.- Ophrys brachyotus Reichenbach pat. 1830 dans les PrŽalpes franaises. Orchidelf. Comm. 6: 1-44.
[Ophrys brachyotus Reichenbach pat. 1830 in the French Pre-Alps]
Delforge, P. 2024.- Ophrys arachnitiformis, Ophrys garganica ou Ophrys caloptera? Les avatars de l'Ophrys de la Passion, Ophrys passionis Sennen 1926. Orchidelf. Comm. 7: 1-28.
[Ophrys arachnitiformis, Ophrys garganica or Ophrys caloptera ? The avatars of the Passion Ophrys, Ophrys passionis Sennen 1926.]
Delforge, P. 2024.- PrŽcisions sur lÕOphrys arachnitiformis signalŽ jadis des PyrŽnŽes-Atlantiques (Nouvelle-Aquitaine, France) et remarques sur la nomenclature de cette espce.  Bull. Soc. Linn. Bordeaux 159, nouv. sŽrie n¡52 (1/2): 15-24.
[Details on the Ophrys arachnitiformis formerly reported from PyrŽnŽes-Atlantiques (Nouvelle-Aquitaine, France) and remarks on the nomenclature of this species]
Delforge, P. 2024.- Une station franaise d'altitude assez ŽlevŽe pour Ophrys brachyotus Reichenbach pat. 1830. Orchidelf. Comm. 8: 1-7.
[A French rather high altitude station for Ophrys brachyotus Reichenbach pat. 1830
Delforge, P. 2024.- Ophrys catalaunica ou Ophrys montserratensis ? Quel nom pour lÕespce catalane du groupe dÕOphrys bertolonii ? Orchidelf. Comm. 9: 1-14.
[Ophrys catalaunica or Ophrys montserratensis ? What name for the Catalan species of the Ophrys bertolonii group ?

Grande-Bretagne Great-Britain

Delforge, P. 1995.- Epipactis dunensis (T. & T.A. Stephenson) Godfery et Epipactis muelleri Godfery dans les ”les Britanniques. Natural. belges 76 (Orchid. 8): 103-123.
[
Epipactis dunensis (T. & T.A. Stephenson) Godfery and Epipactis muelleri Godfery in the British Isles]

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

Delforge, P. & GŽvaudan, A. 2002.- Contribution taxonomique et nomenclaturale au groupe dÕEpipactis leptochila. Natural. belges 83 (Orchid. 15): 19-35.
[
Taxonomical and nomenclatural contribution to the Epipactis leptochila species group]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Devillers-Terschuren, J., Delforge P. & Devillers, P. 2006.- Ophrys sphegodes Miller 1768, nom correct, et Ophrys aranifera Hudson 1778, synonyme postŽrieur, sÕappliquent bien ˆ la mme espce. Natural. belges 87 (Orchid. 19): 85-122.
[
Ophrys sphegodes MILLER 1768, the correct name, and Ophrys aranifera HUDSON 1778, a posterior synonym, do apply to the same species]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Grce Greece

Delforge, P. 1983.- Trois hybrides nouveaux dÕOphrys spruneri Nyman. LÕOrchidophile 14 (59): 496-499.
[
Three new hybrids of Ophrys spruneri NYMAN]

Delforge, P. & Delforge, C. 1984.- Ophrys ×borakisiana hybr. nat. nov. LÕOrchidophile 15 (63): 685-688.

Delforge, P. 1990.- Le groupe dÕOphrys bertolonii Moretti. MŽm. Soc. Roy. Bot. Belg. 11 (1989): 7-29.
[The group of Ophrys bertolonii Moretti]

Delforge, P. 1992.- Contribution ˆ lÕŽtude de trois espces dÕOphrys rŽcemment dŽcrites: Ophrys cephalonica, Ophrys herae et Ophrys minoa (Orchidaceae). Natural. belges 73 (Orchid. 5): 71-105.
[
Contribution to the study of three Ophrys species recently described.- Ophrys cephalonica, Ophrys herae and Ophrys minoa (Orchidaceae)]

Delforge, P. 1992.- Les OrchidŽes de lÕ”le de Leucade (Nomos Lefkada, Nissia Ioniou, Grce). Observations et additions ˆ la cartographie. Natural. belges 73 (Orchid. 5): 155-176.
[
The Orchids of the island of Lefkas (Nomos Lefkada, Nissia Ioniou, Greece) - Observations and additions to the cartography]

Delforge, P. 1992.- RŽflexions ˆ propos de trois nothogenres dÕOrchidŽes dÕEurope et description de deux hybrides intergŽnŽriques nouveaux. Natural. belges 73 (Orchid. 5): 125-136.
[
Reflexions about three nothogenera of European Orchids and description of two new intergeneric hybrids]

Delforge, P. 1993.- Les OrchidŽes de lÕ”le de Zante (Nomos Zakynthos, Nissia Ioniou, Grce). Observations et cartographie. Natural. belges 74 (Orchid. 6): 113-172.
[
The Orchids of the island of Zakynthos (Nomos Zakynthos, Nissia Ioniou, Greece) - Observations and cartography]

Delforge, P. 1993.- Nouvelles observations sur Ophrys herae (Orchidaceae). Natural. belges 74 (Orchid. 6): 107-112.
[
New observations on Ophrys herae (Orchidaceae)]

Delforge, P. 1994.- Faut-il nommer les hybrides dÕOrchidŽes ? Un hommage ˆ Christian Raynaud. LÕOrchidophile 25 (111): 67-70.
[
Do we need to name the hybrids of Orchids ? A tribute to Christian Raynaud]

Delforge, P. 1994. - Les OrchidŽes des ”les dÕAndros et de Tinos (Cyclades, Grce). Observations, cartographie et description dÕOphrys andria, une espce nouvelle du groupe dÕOphrys bornmuelleri. Natural. belges 75 (Orchid. 7): 109-170.
[
The Orchids of the islands Andros and Tinos (Kyklades, Greece) - Observations, cartography and description of Ophrys andria, a new species of the Ophrys bornmuelleri group]

Delforge, P. 1994. - Les OrchidŽes des ”les de CŽphalonie et dÕIthaque (Nomos Kefallinia, Nissia Ioniou, Grce). Observations et additions ˆ la cartographie. Natural. belges 75 (Orchid. 7): 219-272.
[The Orchids of the islands Kefallinia and Ithaki (Nomos Kefallinia, Nissia Ioniou, Greece) - Observations and additions to the cartography]

Delforge, P. 1994. - Note de synthse sur la rŽpartition des OrchidŽes des ”les Ioniennes (Nissia Ioniou, Grce). Natural. belges 75 (Orchid. 7): 209-218.
[
A synthesis of orchid distribution records in the Ionian islands (Nissia Ioniou, Greece)]

Delforge, P. 1995.- Les OrchidŽes des ”les de Paros et Antiparos (Cyclades, Grce) - Observations, cartographie et description dÕOphrys parosica, une nouvelle espce du sous-groupe dÕOphrys fusca. Natural. belges 76 (Orchid. 8): 144-221.
[
The Orchids of the islands of Paros and Antiparos (Kyklades, Greece) - Observations, cartography and description of Ophrys parosica, a new species of the Ophrys fusca sub-group]

Delforge, P. 1995.- Note sur les OrchidŽes de lÕ”le dÕIos (Cyclades, Grce). Natural. belges 76 (Orchid. 8): 291-304.
[
Note on the Orchids of the island Ios (Kyklades, Greece)]

Delforge, P. 1995.- Quelques observations sur les OrchidŽes de lÕ”le dÕEubŽe (Nomos Eyboia, Grce). Natural. belges 76 (Orchid. 8): 128-143.
[
Some observations on the orchids of the island of Euboea (Greece)]

Delforge, P. 1996.- Observations sur les OrchidŽes du sud-est de la Laconie (PŽloponnse, Grce). Natural. belges 77 (Orchid. 9): 119-136.
[
Observations on the Orchids of the south-east of Laconia (Peloponissos, Greece)]

Delforge, P. 1997.- Description dÕOphrys aeoli, dÕOphrys astypalaeica et dÕOphrys thesei, trois nouvelles orchidŽes des Cyclades (Grce). Natural. belges 78 (Orchid. 10): 153-176.
[
Description of Ophrys aeoli, Ophrys astypalaeica, and Ophrys thesei, three new Orchids of the Kyklades (Greece)]

Delforge, P. 1997.- Les OrchidŽes de lÕ”le dÕAmorgos (Cyclades, Grce). Natural. belges 78 (Orchid. 10): 103-152.
[The Orchids of the island Amorgos (Kyklades, Greece)]

Delforge, P. 1997.- Les OrchidŽes de lÕ”le dÕAstypalŽa (DodŽcanse, Grce). Natural. belges 78 (Orchid. 10): 189-222.
[
The Orchids of the island of Astypalea (Dodekanissa, Greece)]

Delforge, P. 1997.- Nouveaux hybrides naturels dÕOrchidŽes dÕEurope. Natural. belges 78 (Orchid. 10): 177-188.
[
New natural hybrids of European Orchids]

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

Delforge, P. 1998.- Note prŽliminaire sur les OrchidŽes du sud-ouest des Cyclades (Grce). Natural. belges 79 (Orchid. 11): 114-116.
[
Preliminary note on Orchids of south-western Kyklades (Greece)]

Delforge, P., Joukoff, Ch. & Joukoff, A. 1998.- Ophrys icariensis Hirth & Spaeth dans lÕ”le de Naxos (Cyclades, Grce). Natural. belges 79 (Orchid. 11): 107-113.
[
Ophrys icariensis Hirth & Spaeth in the island of Naxos (Kyklades, Greece)]

Coulon, F. ( ), Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 1999.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1997-1998. Natural. belges 80 (Orchid. 12): 97-110.
[Section Orchids of Europe - Report of activities 1997-1998]

Delforge, P. 1999.- Contribution ˆ la connaissance des Serapias des Cyclades (Grce): Serapias carica (H. Baumann & KŸnkele 1989) P. Delforge 1994 var. monantha P. Delforge var. nova. Natural. belges 80 (Orchid. 12): 409-431.
[
Contribution to the knowledge of the Serapias of the Kyklades (Greece): Serapias carica (H. Baumann & KŸnkele 1989) P. Delforge 1994 var. monantha P. Delforge var. nova]

Delforge, P. 2000.- Ophrys leptomera sp. nova. Natural. belges 81 (Orchid. 13): 191-192 + 4 figs.

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. 2002.- Les OrchidŽes des ”les de Milos, Kimolos et Polyaigos (sud-ouest des Cyclades, Grce). Natural. belges 83 (Orchid. 15): 67-120.
[
The Orchids of the islands Milos, Kimolos, and Polyaigos (South-western Kyklades, Greece)]

Delforge, P. & Kreutz, C.A.J. 2003.- Epipactis heraclea, une nouvelle espce grecque du groupe dÕEpipactis helleborine. Natural. belges 84 (Orchid. 16): 19-33.
[
Epipactis heraclea a new Greek species of the group of E. helleborine]

Delforge, P. 2004.- Un pollinisateur pour Ophrys villosa s.l. Natural. belges 85 (Orchid. 17): 97-102.
[A pollinator for Ophrys villosa s.l.]

Delforge, P. 2004.- Un Ophrys lacŽdŽmonien. Natural. belges 85 (Orchid. 17): 235-244.
[
A Lacedemonian Ophrys]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P. 2005.- Note sur Orchis papilionacea var. alibertis. Natural. belges 86 (Orchid. 18): 81-90.
[Note on Orchis papilionacea var. alibertis]

Delforge, P. 2005.- Un pollinisateur pour Ophrys bombyliflora. Natural. belges 86 (Orchid. 18): 91-94.
[A pollinator for Ophrys bombyliflora]

Delforge, P. 2005.- Contribution ˆ la connaissance du groupe dÕOphrys tenthredinifera dans le bassin mŽditerranŽen oriental. Natural. belges 86 (Orchid. 18): 95-140.
[
Contribution to te knowledge of the group of Ophrys tenthredinifera in the eastern Mediterranean basin]

Delforge, P. 2005.- Contribution ˆ la connaissance du groupe dÕOphrys blitopertha en Crte. Natural. belges 86 (Orchid. 18): 141-146.
[
Contribution to te knowledge of the Ophrys blithopertha species group in Crete]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P. 2006.- Nouvelles donnŽes sur la distribution dÕespces du groupe dÕOphrys tenthredinifera dans le bassin ŽgŽen oriental (Grce). Natural. belges 87 (Orchid. 19): 23-35.
[
New data on the distribution of species of the Ophrys tenthredinifera species group in the eastern Aegean basin (Greece)]

Delforge, P. 2006.- Contribution ˆ la connaissance des OrchidŽes de lÕ”le de Rhodes (DodŽcanse, Grce): Ophrys colossaea sp. nova. Natural. belges 87 (Orchid. 19): 201-216.
[Contribution to te knowledge of the Orchids of the island Rhodos (Dodekanissa, Greece): Ophrys colossaea sp. nova]

Delforge, P. 2006.- Nouveaux hybrides dÕOphrys de lÕ”le de Rhodes (DodŽcanse, Grce). Natural. belges 87 (Orchid. 19): 217-227.
[
New Ophrys hybrids from the island of Rhodes (Dodekanissa, Greece)]

Delforge, P. & Saliaris, P.A. 2007.- Contribution ˆ la connaissance des OrchidŽes des ”les de Chios, Inousses et Psara (Nomos Chiou, ƒgŽe orientale, Grce). Natural. belges 88 (Orchid. 20): 41-227.
[
Contribution to te knowledge of the Orchids of the islands Chios, Inousses, and Psara (Chios district, East Aegean islands, Greece)]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Delforge, P. 2008.- Note prŽliminaire sur les OrchidŽes de lÕ”le dÕIcaria (ƒgŽe orientale, Grce). Natural. belges 89 (Orchid. 21): 16-18.
[
Preliminary note on the Orchids of the island of Ikaria (East Aegean islands, Greece)]

Delforge, P. 2008.- Remarques sur Serapias orientalis dans le bassin ŽgŽen. Natural. belges 89 (Orchid. 21): 19-38.
[
Remarks on Serapias orientalis in the Aegean basin]

Delforge, P. 2008.- Note complŽmentaire sur les OrchidŽes de lÕ”le de Chios (ƒgŽe orientale, Grce). Natural. belges 89 (Orchid. 21): 62-70.
[
Additional note on the Orchids of the island of Chios (East Aegean islands, Greece)]

Delforge, P. 2008.- Contribution ˆ la connaissance des OrchidŽes de lÕ”le de Samos (ƒgŽe orientale, Grce). Natural. belges 89 (Orchid. 21): 71-249.
[
Contribution to te knowledge of the Orchids of the island Samos (East Aegean islands, Greece)]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Delforge, P. 2009.- Contribution ˆ la connaissance des OrchidŽes de lÕ”le de Cos (DodŽcanse, Grce). Natural. belges 90 (Orchid. 22): 49-232.
[
Contribution to te knowledge of the Orchids of the island Kos (Dodekanissa, Greece)]

Delforge, P. 2010- Section OrchidŽes d'Europe - Bilan des activitŽs 2008-2009. Natural. belges 91 (Orchid. 23): 1-14.
[Section Orchids of Europe - Report of activities 2008-2009]

Delforge, P. 2010- Un nom pour la variŽtŽ ŽgŽenne de l'Orchis papillon. Natural. belges 91 (Orchid. 23): 15-25.
[A name for the Aegean variety of the Pink Butterfly orchid]

Delforge, P. 2010.- Ophrys ×brigodeana nothosp. nat. nova. Natural. belges 91 (Orchid. 23): 26-28.

Delforge, P. 2010- Contribution ˆ la connaissance des OrchidŽes de Cythre (Attique, Grce). Natural. belges 91 (Orchid. 23): 47-205.
[Contribution to te knowledge of the Orchids of the island Cythera (Attiki, Greece)]

Delforge, P. 2011.- Ophrys ×duchateauana nothosp. nat. nova. Natural. belges 92 (Orchid. 24): 30-32.

Delforge, P. 2011.- Contribution ˆ la connaissance des OrchidŽes de l'”le de KŽa (Cyclades occidentales, Grce). Natural. belges 92 (Orchid. 24): 124-201.
[Contribution to the knowledge of the Orchids of the island Kea (Western Kyklades, Greece)]

Delforge, P., ƒvrard, D. & Mast de Maeght, J. 2011.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2009-2010. Natural. belges 92 (Orchid. 24): 1-13.
[Section Orchids of Europe - Report of activities 2009-2010]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. 2012.- Ophrys ×parvaisiana nothosp. nat. nova. Natural. belges 93 (Orchid. 25): 94-96.

Delforge, P. 2012.- Contribution ˆ la connaissance des OrchidŽes de l'”le d'Icaria (ëles ŽgŽennes orientales, Grce). Natural. belges 93 (Orchid. 25): 163-241.
[
Contribution to the knowledge of the Orchids of the island Ikaria (East Aegean islands, Greece)]

Burri, Ch. & Delforge, P. 2013. - ComplŽment ˆ la cartographie des OrchidŽes de l'”le d'Icaria (ëles ŽgŽennes orientales, Grce). Natural. belges 94 (Orchid. 26): 107-114.
[
Further information on the cartography of the orchids of the island of Ikaria (East Aegean islands, Greece]

Delforge, P. 2013. - Contribution ˆ la connaissance des OrchidŽes de l'”le de Skyros (Sporades du Nord, Grce). Natural. belges 94 (Orchid. 26): 165-244.
[Contribution to the knowledge of the Orchids of the island Skyros (Northern Sporades, Greece)]

Delforge, P. 2013. - Nouvelle contribution ˆ la connaissance du groupe dÕOphrys tenthredinifera dans le bassin ŽgŽen (Grce): Ophrys amphidami et Ophrys lycomedis sp. novae. Natural. belges 94 (Orchid. 26): 281-296.
[New contribution to the knowledge of the Ophrys tenthredinifera species group in the Aegean basin (Greece): Ophrys amphidami and Ophrys lycomedis sp. novae]

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P. 2014. - Ophrys ×lambrechtsiana nothosp. nat. nova. Natural. belges 95 (Orchid. 27): 87-92.

Delforge, P. 2014. - Les noms d'un morphe ŽgŽen hypochrome d'Anacamptis pyramidalis et leur traitement dans la ÔWorld Checklist of Selected Plant familiesÕ. Natural. belges 95 (Orchid. 27): 115-124.
[The names of an Aegean hypochromic morph of Anacamptis pyramidalis and their treatment in the ÔWorld Checklist of Selected Plant familiesÕ]

Delforge, P. 2014. - L'Ophrys de Stavros K. Natural. belges 95 (Orchid. 27): 217-228.
[
The Stavros K.'s Ophrys]

Delforge, P. & Delforge-Onckelinx, C. 2014. - Contribution ˆ la connaissance des OrchidŽes de l'”le de Kythnos (Cyclades occidentales, Grce). Natural. belges 95 (Orchid. 27): 125-216.
[
Contribution to the knowledge of the Orchids of the island Kythnos (Western Kyklades, Greece)]

Parvais, C. & Delforge, P. 2014. - Additions ˆ la flore orchidŽenne de l'”le de Cythre (Attique, Grce). Natural. belges 95 (Orchid. 27): 79-86.
[
Additions to the orchid flora of the island of Cythera (Attica, Greece)]

Delforge, P. 2015. - Nouvelles contributions taxonomiques et nomenclaturales aux OrchidŽes dÕEurope. Natural. belges  96 (Orchid. 28): 14-21.
[
New nomenclatural and taxonomical contributions to European Orchids]


Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Delforge, P. & Delforge-Onckelinx, C. 2017.- Contribution ˆ la connaissance des OrchidŽes de la presqu'”le de Methana et de l'”le de Poros (Golfe saronique, Attique, Grce). Natural. belges 98 (Orchid. 30): 69-172.
[Contribution to the knowledge of the Orchids of the Methana peninsula and the island of Poros (Saronic Gulf, Attica, Greece)]

Hongrie Hungary

GŽvaudan, A. & Delforge, P. 2004.- Epipactis ×robatschii nothosp. nat. nova. Natural. belges 85 (Orchid. 17): 72-76.

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Isra‘l
Israel

Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Irlande
Ireland

Delforge, P. 1995.- Epipactis dunensis (T. & T.A. Stephenson) Godfery et Epipactis muelleri Godfery dans les ”les Britanniques. Natural. belges 76 (Orchid. 8): 103-123.
[
Epipactis dunensis (T. & T.A. Stephenson) Godfery and Epipactis muelleri Godfery in the British Isles]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Italie
Italy

Delforge, P. 1984.- OrchidŽes rares ou critiques de la rŽgion de Cassino (Latium, Italie). Coll. Soc. Fran. Orchidophilie 8: 9-16.
[
Rare or critical orchids of the region of Cassino (Lazio, Italy)]

Delforge, P. & Delforge, C. 1985.- Ophrys ×couloniana hybr. nat. nov. LÕOrchidophile 16 (66): 827-830.

Delforge, P. & Delforge, C. 1986.- Nouveaux hybrides dÕOphrys dÕItalie. Natural. belges 67 (Orchid. 1): 157-162.
[
New Ophrys hybrids of Italy]

Delforge, P. 1988.- RŽflexions sur quelques Ophrys dÕItalie et description de quatre de leurs hybrides. Natural. belges 69 (Orchid. 2): 33-46.
[
Remarks on some Ophrys from Italy and description of four of their hybrids]

Delforge, P. 1989.- A propos de sept hybrides dÕOphrys. Natural. belges 70 (Orchid. 3): 89-95.
[
About seven Ophrys hybrids]

Delforge, P. 1989.- Une forme rouge de Dactylorhiza markusii. Natural. belges 70 (Orchid. 3): 85-86.
[
A red form of Dactylorhiza markusii]

Delforge, P. 1990.- Le groupe dÕOphrys bertolonii Moretti. MŽm. Soc. Roy. Bot. Belg. 11 (1989): 7-29.
[The group of Ophrys bertolonii Moretti]

Delforge, P. 1992.- RŽflexions ˆ propos de trois nothogenres dÕOrchidŽes dÕEurope et description de deux hybrides intergŽnŽriques nouveaux. Natural. belges 73 (Orchid. 5): 125-136.
[
Reflexions about three nothogenera of European Orchids and description of two new intergeneric hybrids]

Delforge, P. 1995.- Ophrys lojaconoi P. Delforge, un nom appropriŽ pour une espce italienne du sous-groupe dÕOphrys fusca. Natural. belges 76 (Orchid. 8): 277-290.
[Ophrys lojaconoi P. Delforge, a suitable name for an Italian species of the Ophrys fusca sub-group]

Delforge, P. 1996.- Europe, North Africa, and the Near East: 80-85 in: IUCN:SSC Orchid Specialist Group.- Orchids - Status Survey and Conservation action Plan: 153p + 8 pl. IUCN, Gland, Switzerland and Cambridge, UK.

Delforge, P. 1997.- Nouveaux hybrides naturels dÕOrchidŽes dÕEurope. Natural. belges 78 (Orchid. 10): 177-188.
[
New natural hybrids of European Orchids]

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

Delforge, P. 1998.- LÕOphrys de la Maiella. Natural. belges 79 (Orchid. 11): 99-106.
[
The Maiella Ophrys]

Coulon, F. ( ), Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 1999.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1997-1998. Natural. belges 80 (Orchid. 12): 97-110.
[Section Orchids of Europe - Report of activities 1997-1998]

Delforge, P. 1999.- Contribution ˆ la stabilisation de la nomenclature dans le groupe dÕOphrys fusca: dŽsignation dÕun nŽotype pour Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824, Ophrys bilunulata Risso 1844 et Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909. Natural. belges 80 (Orchid. 12): 181-231, 276.
[
Contribution to the stabilization of the nomenclature in the Ophrys fusca species group: designation of a neotypus for Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824Ophrys bilunulata Risso 1844 and Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909]

Delforge, P. 2000.- Contribution ˆ la connaissance des Ophrys apparemment intermŽdiaires entre Ophrys fusca et O. lutea en Sicile. Natural. belges 81 (Orchid. 13): 237-256 + 12 figs.
[
Contribution to the knowledge of the Ophrys apparently intermediary between Ophrys fusca and Ophrys lutea in Sicily]

Delforge, P. 2000.- LÕOphrys admirable de Monsieur von Hayek. Natural. belges 81 (Orchid. 13): 93-110 + 2 figs.
[
Mr. von Hayek's admirable Ophrys]

Delforge, P. 2000.- Ophrys caesiella sp. nova, une espce maltaise du groupe dÕOphrys fusca, prŽsente aussi en Sicile. Natural. belges 81 (Orchid. 13): 232-236 + 3 figs.
[
Ophrys caesiella sp. nova, a Maltese species of the O. fusca group, present also in Sicily]

Delforge, P. 2000.- Ophrys tarquinia sp. nova, une espce toscane du groupe dÕOphrys exaltata. Natural. belges 81 (Orchid. 13): 83-86 + 2 figs.
[
Ophrys tarquinia sp. nova, a Tuscan species of the Ophrys exaltata group]

Delforge, P. 2000.- Ophrys tommasinii Visiani 1851 dans le Latium. Natural. belges 81 (Orchid. 13): 363-365 + 3 figs.
[Ophrys tommasinii (Visiani 1851) in the Latium]

Delforge, P. 2000.- Remarques sur les Ophrys fuciflora tardifs dÕItalie pŽninsulaire mŽridionale et description dÕOphrys posidonia sp. nova. Natural. belges 81 (Orchid. 13): 157-175 + 8 figs.
[
Remarks on the late flowering Ophrys fuciflora of the Southern Italian peninsula and description of Ophrys posidonia sp. nova]

Delforge, P., Devillers-Terschuren J. & Devillers, P. 2000.- LÕOphrys de Lucanie, Ophrys lucana, une espce nouvelle du groupe dÕOphrys obaesa. Natural. belges 81 (Orchid. 13): 257-268 + 2 figs.
[
The Lucanian Ophrys, Ophrys lucana, a new species of the group of Ophrys obaesa]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2000.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1998-1999. Natural. belges 81 (Orchid. 13): 65-82.
[Section Orchids of Europe - Report of activities 1998-1999]

Delforge, P. 2001.- Ophrys ×vanderspekiae nothosp. nat. nova. Natural. belges 82 (Orchid. 14): 130-136.

Delforge, P. 2001.- Un pollinisateur pour Ophrys lucana. Natural. belges 82 (Orchid. 14): 140-142.
[A pollinator for Ophrys lucana]

Delforge, P. 2001.- Un pollinisateur pour Ophrys laurensis. Natural. belges 82 (Orchid. 14): 143-148.
[A pollinator for Ophrys laurensis]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. 2002.- Un pollinisateur pour Ophrys tarquinia. Natural. belges 83 (Orchid. 15): 36-38.
[A pollinator for Ophrys tarquinia]

Delforge, P. 2002.- Ophrys ×breuerorum nothosp. nat. nova. Natural. belges 83 (Orchid. 15): 39-44.

Delforge, P. 2002.- PrŽsence dÕOrchis brancifortii en Calabre. Natural. belges 83 (Orchid. 15): 59-66.
[
Presence of Orchis brancifortii in Calabria]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. 2003.- Contribution ˆ la connaissance des orchidŽes printanires de Calabre (Italie) et description dÕOphrys brutia sp. nova. Natural. belges 84 (Orchid. 16): 55-94.
[Contribution to the knowledge of the spring orchids of Calabria (Italy) and description of Ophrys brutia sp. nova]

Delforge, P. 2003.- Note sur la distribution dÕOphrys cilentana J. Devillers-Terschuren & P. Devillers 2000. Natural. belges 84 (Orchid. 16): 133-143.
[Note on the distribution of Ophrys cilentana J. Devillers-Terschuren & P. Devillers 2000]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. 2004.- Contribution ˆ la clarification de la nomenclature dans la section Pseudophrys Godfery 1928 (Orchidaceae). Natural. belges 85 (Orchid. 17): 110-124.
[
Contribution to the clarification of the nomenclature in the sectio Pseudophrys GODFERY 1928 (Orchidaceae)]

Delforge, P. 2004.- Un pollinisateur pour Ophrys cilentana. Natural. belges 85 (Orchid. 17): 125-128.
[A pollinator for Ophrys cilentana]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P., Mast de Maeght, J., Parvais, C. & Walravens, ƒ. 2006.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2004-2005. Natural. belges 87 (Orchid. 19): 1-15.
[Section Orchids of Europe - Report of activities 2004-2005]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Delforge, P. & GŽvaudan, A. 2008.- Remarques sur Epipactis leptochila en Italie, dans les provinces de Plaisance (ƒmilie-Romagne) et de VŽrone (VŽnŽtie). Natural. belges 89 (Orchid. 21): 39-61.
[
Remarks on Epipactis leptochila in Italy, in the provinces of Piacenza (Emilia-Romagna) and Verona (Veneto)]

Delforge, P. 2010- Section OrchidŽes d'Europe - Bilan des activitŽs 2008-2009. Natural. belges 91 (Orchid. 23): 1-14.
[Section Orchids of Europe - Report of activities 2008-2009]

Delforge, P. 2011.- Gymnadenia rubra Wettstein et la taxonomie des nigritelles apomictiques. Natural. belges 92 (Orchid. 24): 87-116.
[
Gymnadenia rubra WETTSTEIN 1889 and the taxonomy of apomictic Vanilla Orchids]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. 2013. - Ophrys bertolonii, Ophrys aurelia, Ophrys romolinii. Natural. belges 94 (Orchid. 26): 53-60.

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Delforge, P. 2015. - Nouvelles contributions taxonomiques et nomenclaturales aux OrchidŽes dÕEurope. Natural. belges  96 (Orchid. 28): 14-21.
[
New nomenclatural and taxonomical contributions to European Orchids]


Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Delforge, P.Devillers, P. & Lambrechts, Th. 2016.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2014-2015. Natural. belges 97 (Orchid. 29): 1-21.
[Section Orchids of Europe - Report of activities 2014-2015]

Delforge, P. 2019.- Remarques sur l'identitŽ dÕOphrys suboccidentalis et, en consŽquence, sur la rŽpartition Ophrys massiliensis. J. Eur. Orch.51: 339-362.
[Remarks on the identity of Ophrys suboccidentalis and, consequently, on the distribution of Ophrys massiliensis]

Delforge, P. 2022.- L'Ophrys aux courtes oreilles de chat, Ophrys brachyotus Reichenbach pat. 1830. Orchidelf. Comm. 5: 1-25.
[The short catÕs ears Ophrys, Ophrys brachyotus Reichenbach pat. 1830]

Luxembourg
(Grand-DuchŽ de)
Luxembourg (Grand Duchy of)

Delforge, P. (coll. F. Coulon, P. Devillers, J. Duvigneaud & ƒ. Walravens) 1998.- OrchidŽes de Wallonie - ƒvaluation de la situation de treize espces menacŽes ou devant faire lÕobjet dÕune attention particulire. Natural. belges 79 (Orchid. 11): 131-200.
[
Orchids of Wallonia - Appraisal of the situation of thirteen species  threatened or needing particular attention]

Delforge, P. 2012.- Deuxime Ždition revue et augmentŽe du Guide des OrchidŽes de France, de Suisse et du Benelux: modifications taxonomiques, rŽdactionnelles et nomenclaturales. Natural. belges 93 (Orchid. 25): 17-32.
[
Second revised and expanded edition of the ÒGuide to the Orchids of France, Switzerland, and BeneluxÓ: taxonomical, textual, and nomenclatural modifications]

Delforge, P. 2020.- DŽtermination d'une Platanthre dans les Hautes-Alpes (France): tout se complique. L'Orchidophile 51 (225): 177-186.
[Determination of a Platanthera in the Hautes-Alpes (France): things get complicated]

Delforge, P. 2021.- Troisime Ždition mise ˆ jour et augmentŽe du guide Delachaux OrchidŽes de France, de Suisse et du Benelux (2021): modifications taxonomiques, rŽdactionnelles, iconographiques et nomenclaturales. Orchidelf. Comm. 2: 1-16.
[Third updated and expanded edition of the guide Delachaux Orchids of France, Switzerland, and Benelux: taxonomical, textual, iconographic, and nomenclatural modifications]

Malte Malta

Delforge, P. 1993.- Remarque sur les OrchidŽes prŽcoces de lÕ”le de Malte. Natural. belges 74 (Orchid. 6): 93-106.
[
Remarks on the early-flowering Orchids of the island of Malta]

Delforge, P. 2000.- Ophrys caesiella sp. nova, une espce maltaise du groupe dÕOphrys fusca, prŽsente aussi en Sicile. Natural. belges 81 (Orchid. 13): 232-236 + 3 figs.
[
Ophrys caesiella sp. nova, a Maltese species of the O. fusca group, present also in Sicily]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Delforge, P. 2012.- Clarification de la taxonomie et de la nomenclature d'une orchidŽe maltaise: Ophrys hospitalis sp. nova. Natural. belges 93 (Orchid. 25): 63-74.
[
Clarification of the taxonomy and nomenclature of a Maltese orchid: Ophrys hospitalis sp. nova]

Norvge Norway

Delforge, P. 1990.- Un Dactylorhiza trs septentrional. Natural. belges 71 (Orchid. 4): 99-102.
[
A very northern Dactylorhiza]

Delforge, P. 2011.- Gymnadenia, Gymnigritella ou Nigritella ? Comment classer la Gymnigritelle de Rune ? Natural. belges 92 (Orchid. 24): 117-123.
[Gymnadenia, Gymnigritella or Nigritella ? How to classify the RuneÕs Gymnigritella]

Pays-Bas 
Netherlands

Delforge, P. (coll. F. Coulon, P. Devillers, J. Duvigneaud & ƒ. Walravens) 1998.- OrchidŽes de Wallonie - ƒvaluation de la situation de treize espces menacŽes ou devant faire lÕobjet dÕune attention particulire. Natural. belges 79 (Orchid. 11): 131-200.
[
Orchids of Wallonia - Appraisal of the situation of thirteen species  threatened or needing particular attention]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Delforge, P. 2012.- Deuxime Ždition revue et augmentŽe du Guide des OrchidŽes de France, de Suisse et du Benelux: modifications taxonomiques, rŽdactionnelles et nomenclaturales. Natural. belges 93 (Orchid. 25): 17-32.
[
Second revised and expanded edition of the ÒGuide to the Orchids of France, Switzerland, and BeneluxÓ: taxonomical, textual, and nomenclatural modifications]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Delforge, P. 2020.- DŽtermination d'une Platanthre dans les Hautes-Alpes (France): tout se complique. L'Orchidophile 51 (225): 177-186.
[Determination of a Platanthera in the Hautes-Alpes (France): things get complicated]

Delforge, P. 2021.- Troisime Ždition mise ˆ jour et augmentŽe du guide Delachaux OrchidŽes de France, de Suisse et du Benelux (2021): modifications taxonomiques, rŽdactionnelles, iconographiques et nomenclaturales. Orchidelf. Comm. 2: 1-16.
[Third updated and expanded edition of the guide Delachaux Orchids of France, Switzerland, and Benelux: taxonomical, textual, iconographic, and nomenclatural modifications]

Portugal

Delforge, P. 1996.- Europe, North Africa, and the Near East: 80-85 in: IUCN:SSC Orchid Specialist Group.- Orchids - Status Survey and Conservation action Plan: 153p + 8 pl. IUCN, Gland, Switzerland and Cambridge, UK.

Delforge, P. 1999.- Contribution ˆ la stabilisation de la nomenclature dans le groupe dÕOphrys fusca: dŽsignation dÕun nŽotype pour Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824, Ophrys bilunulata Risso 1844 et Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909. Natural. belges 80 (Orchid. 12): 181-231, 276.
[
Contribution to the stabilization of the nomenclature in the Ophrys fusca species group: designation of a neotypus for Ophrys fusca Link in Schrader 1800, Ophrys funerea Viviani 1824Ophrys bilunulata Risso 1844 and Ophrys forestieri (Reichenbach fil. 1851) Lojacono 1909]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

GŽvaudan, A., Lewin, J.-M. & Delforge, P. 2001.- Contribution ˆ la connaissance du groupe dÕEpipactis phyllanthes: dŽlimitation, Žcologie et distribution dÕEpipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999. Natural. belges 82 (Orchid. 14): 39-104.
[
Contribution to the knowledge of the Epipactis phyllanthes species group: delimitation, ecology and distribution of Epipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. 2003.- Remarques sur les OrchidŽes des Aores. Natural. belges 84 (Orchid. 16): 95-116.
[
Remarks on the Orchids of the Azores]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. 2004.- Le SŽrapias dÕElsa. Natural. belges 85 (Orchid. 17): 103-109.
[The Elsa's Serapias]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Delforge, P., Lion, J.-P. & Mast de Maeght, J. 2005.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2003-2004. Natural. belges 86 (Orchid. 18): 1-20.
[Section Orchids of Europe - Report of activities 2003-2004]

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2007.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2005-2006. Natural. belges 88 (Orchid. 20): 1-16.
[Section Orchids of Europe - Report of activities 2005-2006]

Breuer, B. & Delforge, P. 2009.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2007-2008. Natural. belges 90 (Orchid. 22): 1-14.
[Section Orchids of Europe - Report of activities 2007-2008]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Delforge, P. & Devillers, P. 2013. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2011-2012. Natural. belges 94 (Orchid. 26): 1-26.
[Section Orchids of Europe - Report of activities 2011-2012]

Delforge, P. 2014. - Remarque sur la nomenclature du SŽrapias des Aores. Natural. belges 95 (Orchid. 27): 67-78.
[Remark on the nomenclature of the Azorean Serapias]

Delforge, P. & Breuer, B. 2014. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2012-2013. Natural. belges 95 (Orchid. 27): 1-22.
[Section Orchids of Europe - Report of activities 2012-2013]

Delforge, P., Verstichel, Ch. & Breuer, B. 2015. - Section OrchidŽes dÕEurope - Bilan des activitŽs 2013-2014. Natural. belges 96 (Orchid. 28): 1-13.
[Section Orchids of Europe - Report of activities 2013-2014]


Slovaquie
Slovakia

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Sude
Sweden

Delforge, P. 2011.- Gymnadenia, Gymnigritella ou Nigritella ? Comment classer la Gymnigritelle de Rune ? Natural. belges 92 (Orchid. 24): 117-123.
[Gymnadenia, Gymnigritella or Nigritella ? How to classify the RuneÕs Gymnigritella]

Brigode, F. & Delforge, P. 2012.- Section OrchidŽes d'Europe Ð Bilan des activitŽs 2010-2011. Natural. belges 93 (Orchid. 25): 1-16.
[Section Orchids of Europe - Report of activities 2010-2011]

Suisse Switzerland

Coulon, F., Delforge, P., Mast de Maeght, J. & Walravens, M. 1998.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1996-1997. Natural. belges 79 (Orchid. 11): 65-80.
[Section Orchids of Europe - Report of activities 1996-1997]

GŽvaudan, A., Lewin, J.-M. & Delforge, P. 2001.- Contribution ˆ la connaissance du groupe dÕEpipactis phyllanthes: dŽlimitation, Žcologie et distribution dÕEpipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999. Natural. belges 82 (Orchid. 14): 39-104.
[
Contribution to the knowledge of the Epipactis phyllanthes species group: delimitation, ecology and distribution of Epipactis fageticola (Hermosilla 1998) J. Devillers-Terschuren & P. Devillers 1999]

Delforge, P. & Mast de Maeght, J. 2003.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2001-2002. Natural. belges 84 (Orchid. 16): 1-18.
[Section Orchids of Europe - Report of activities 2001-2002]

Delforge, P. 2011.- Gymnadenia rubra Wettstein et la taxonomie des nigritelles apomictiques. Natural. belges 92 (Orchid. 24): 87-116.
[
Gymnadenia rubra WETTSTEIN 1889 and the taxonomy of apomictic Vanilla Orchids]

Delforge, P. 2012.- Deuxime Ždition revue et augmentŽe du Guide des OrchidŽes de France, de Suisse et du Benelux: modifications taxonomiques, rŽdactionnelles et nomenclaturales. Natural. belges 93 (Orchid. 25): 17-32.
[
Second revised and expanded edition of the ÒGuide to the Orchids of France, Switzerland, and BeneluxÓ: taxonomical, textual, and nomenclatural modifications]

Delforge, P. 2021.- Troisime Ždition mise ˆ jour et augmentŽe du guide Delachaux OrchidŽes de France, de Suisse et du Benelux (2021): modifications taxonomiques, rŽdactionnelles, iconographiques et nomenclaturales. Orchidelf. Comm. 2: 1-16.
[Third updated and expanded edition of the guide Delachaux Orchids of France, Switzerland, and Benelux: taxonomical, textual, iconographic, and nomenclatural modifications]

Syrie Syria

Delforge, P. 2010- Section OrchidŽes d'Europe - Bilan des activitŽs 2008-2009. Natural. belges 91 (Orchid. 23): 1-14.
[Section Orchids of Europe - Report of activities 2008-2009]

TchŽquie
Czechia

Delforge, P., Mast de Maeght, J. & Walravens, ƒ. 2008.- Section OrchidŽes dÕEurope - Bilan des activitŽs 2006-2007. Natural. belges 89 (Orchid. 21): 1-15.
[Section Orchids of Europe - Report of activities 2006-2007]

Tunisie
Tunisia

Delforge, P. 2000.- LÕOphrys admirable de Monsieur von Hayek. Natural. belges 81 (Orchid. 13): 93-110 + 2 figs.
[
Mr. von Hayek's admirable Ophrys]

Delforge, P. 2002.- Ophrys gazella et Ophrys africana, deux espces ? Natural. belges 83 (Orchid. 15): 45-58.
[
Ophrys gazella and Ophrys africana, two species ?]

Delforge, P. & Mast de Maeght, J. 2002.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2000-2001. Natural. belges 83 (Orchid. 15): 1-18.
[Section Orchids of Europe - Report of activities 2000-2001]

Delforge, P. & Mast de Maeght, J. 2004.- Section OrchidŽes dÕEurope. Bilan des activitŽs 2002-2003. Natural. belges 85 (Orchid. 17): 1-26.
[Section Orchids of Europe - Report of activities 2002-2003]

Turquie
Turkey

Delforge, P. 1996.- Europe, North Africa, and the Near East: 80-85 in: IUCN:SSC Orchid Specialist Group.- Orchids - Status Survey and Conservation action Plan: 153p + 8 pl. IUCN, Gland, Switzerland and Cambridge, UK.

Delforge, P. 1999.- Contribution taxonomique et nomenclaturale au genre Himantoglossum (Orchidaceae). Natural. belges 80 (Orchid. 12): 387-408.
[Taxonomical and nomenclatural contribution to the genus Himantoglossum (Orchidaceae)]

Delforge, P. 2000.- Ophrys aramaeorum sp. nova, une espce orientale du groupe dÕOphrys tetraloniae. Natural. belges 81 (Orchid. 13): 225-231 + 2 figs.
[
Ophrys aramaeorum sp. nova, an eastern species of the Ophrys tetraloniae group]

Delforge, P. 2000.- Contribution taxonomique et nomenclaturale au genre Orchis L. 1753: remarques sur la validitŽ du genre Steveniella Schlechter 1918. Natural. belges 81 (Orchid. 13): 176-190 + 8 figs.
[Taxonomical and nomenclatural contribution to the genus Orchis L. 1753: Remarks on the validity of the genus Steveniella SCHLECHTER 1918]

Delforge, P., Mast de Maeght, J. & Walravens, M. 2001.- Section OrchidŽes dÕEurope. Bilan des activitŽs 1999-2000. Natural. belges 82 (Orchid. 14): 1-18.
[Section Orchids of Europe - Report of activities 1999-2000]

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