{# load django_bootstrap5#%} CCDB server
Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsOrchidaceaeEpipactisEpipactis helleborine

94 chromosome counts in Epipactis helleborine:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Epipactis distans A. -Touv. Epipactis helleborine subsp. orbicularis (K. Richt.) E. Klein   40 IPCN online D'Emerico, S., P. Grünanger, A. Scrugli & D. Pignone. 1999. Karyomorphological parameters and C-band distribution suggest phyletic relationships within the subtribe Limodorinae (Orchidaceae). Pl. Syst. Evol. 217: 147–161.
!   Epipactis helleborine Epipactis helleborine (L.) Crantz   36,38,40,44 eFlora  
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CHROBASE MAZZOLA P., MICELI P., NOT R. - 1982. Numeri cromosomici per la flora italiana:929-936.. Inform. Bot. Ital. , 14(2-3): 275-279.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Slovakia Database Májovský J., Murín A., Feráková V., Hindáková M., Schwarzová T., Uhríková A., Váchová M. & Záborský J., 1987: Karyotaxonomický prehľad flóry Slovenska. Veda, Bratislava.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Slovakia Database Uhríková A. & Feráková V., 1978: [Report], pp. 379. - In: Löve Á. (ed.), IOPB Chromosome Number Reports LXI, Taxon 27 /4.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Flora Iberica Nmeros cromosmicos para la flora espaola, 295-300. Silvestre, S.Lagascalia12(1): 133-135(1983).
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   36, 38, 40, 44 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=4909
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   36 Flora Europaea Leveque &
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 Flora Europaea Skalinska e t a l . ,
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Flora Europaea Uhrikova &
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   44 Flora Europaea Leveque &
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 Poland Database Skali?ska M., Banach-Pogan E., Wcis?o H. et al. 1957. Further studies in chromosome numbers of Polish Angiosperms. Acta Soc. Bot. Pol. 26, 215-246.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Poland Database Skali?ska M., Piotrowicz M., Soko?owska-Kulczycka A. et al. 1961. Further additions to chromosome numbers of Polish Angiosperms. Acta Soc. Bot. Pol. 30, 463-489.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online Silvestre, S. 1983. Números 295-300, In Números cromosómicos para la flora española. 257-300. Lagascalia 12: 133–135.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38,40 IPCN online Averyanov, L. V., E. L. Averyanova & A. N. Lavrenko. 1982a. Karyosystematic study of orchids (Orchidaceae) on the territory of the Komi ASSR. Bot. Zhurn. 67 (11): 1491–1499. (In Russian).
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online Averyanov, L. V. 1984. A karyosystematic study of some species of orchids (Orchidaceae) in the Middle-Asian flora. Bot. Zhurn. SSSR 69(2): 245–247. (In Russian).
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online Verlaque, R., M. Seidenbinder & C. Reynaud. 1987. Recherches cytotaxonomiques sur la spéciation en région Méditerranéenne III: esp@4ces aneuploides. Biol.-Ecol. Medit. 10: 315–346.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online Stepanov, N. V. & E. N. Muratova. 1992. Chromosome numbers in some species of higher plants of flora of the Krasnoyarsk region. Bot. Žhurn. (Moscow & Leningrad) 77(7): 125–126.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 IPCN online Malakhova, L. A. & G. A. Markova. 1994. Chromosome numbers in the flowering plants of Tomsk region. Monocotyledones. Bot. Žhurn. (Moscow & Leningrad) 79(7): 134–135.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz 20 40 IPCN online VIJ, S. P., N. Vaidya & K. Kondo. 1995. Chromosomes and their bearing on species diversification in Epipactis (Orchidaceae). Kromosomo 77: 2646–2659.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online D'Emerico, S., P. Grünanger, A. Scrugli & D. Pignone. 1999. Karyomorphological parameters and C-band distribution suggest phyletic relationships within the subtribe Limodorinae (Orchidaceae). Pl. Syst. Evol. 217: 147–161.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN online Averyanov, L. V. 1979. Chromosome numbers of some species of Orchidaceae from the northwestern part of the USSR. Bot. Zhurn. 64 (6): 863–877.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   18, 18+2B, 32, 38, 40 IPCN online Bernardos, S., F. Amich & A. Crespí. 2003. Karyological and taxonomical notes on three species of the genus Epipactis (Neottioideae, Orchidaceae) in the central-western Iberian Peninsula. Folia Geobot. 38(3): 319–331.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 IPCN67-71 LOEVE, A., & D. LOEVE. 1969. In IOPB chromosome number reports XXI. Taxon 18: 310-315.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz 19 38 IPCN67-71 MEHRA, P.N., & K.S. BAWA. 1970. Cytological observations on some northwest Himalayan orchids. Caryologia 23: 273-282.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN75-78 Averyanov 1977
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN75-78 Uhrikova & Ferakova 1978
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IPCN75-78 Mehra & Pandita 1978
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   20, 40 Kumar, 1987 Weijer, J. 1952
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 Kumar, 1987 Gadella, T.W.J. & Kliphuis, E. 1963 ; Kliphuis, E. 1963 ; L~ve, A. & L!Jve, D. 1969 ; Mehra, P.N. & Bawa, K.S. 1970
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 Kumar, 1987 Mehra, P.N. & Pandita, T.K. 1973
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   36,38,40,44 eFlora  
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   20, 40 Darlington, 1955 Weijer 1952
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 C-values database Šmarda P, Bureš P, Horová L, Leitch IJ, Mucina L, Pacini E, Tichý L, Grulich V, Rotreklová O. 2014. Ecological and evolutionary significance of genomic GC content diversity in monocots. Proceedings of the National Academy of Sciences 111: E4096-E4102.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 Cave1963 Gadella & Klip. 1963
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz 19 38 Cave1963 Kliphuis 1963
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Löve, A. & Löve, D. (1969). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XXI]. Taxon 18(2): 312.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Mehra, P. N. & T. K. Pandita. (1978). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXI]. Taxon 27(4): 387-388.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Uhríková, A. & V. Feráková. (1978). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXI]. Taxon 27(4): 379.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz 20   CromoCat 2015 Vij, S. P., N. Vaidya & K. Kondo (1995). Chromosomes and their bearing on species diversification in Epipactis (Orchidaceae) Kromosomo 77: 2646-2659
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz 19   CromoCat 2015 Kliphuis, E. (1963). Cytological observations in relation to the taxonomy of the orchids of the Netherlands. Acta Bot. Neerl. 12(2): 172-194.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Averyanov, L. V., Averyanova, E. L. & Lavrenko, A. N. (1982b). Karyosystematic study of orchids (Orchidaceae) on the territory of the Komi ASSR. Bot. Žurn. 67: 1491-1499.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Cauwet, A. M. & Balayer, M. (1984a). Les Orchidées du Bassin méditerranéen. Contribution à l'étude caryologique des espèces des Pyrénées orientales (France) et contrées limitrophes - Tribu des Neottiae Lindl. Bull. Soc. Bot. France 131(2): 121-137.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Gadella, Th. W. J. & Kliphuis, E. (1963). Chromosome numbers of flowering plants in the Netherlands. Acta Bot. Neerl. 12(2): 195-230.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Kliphuis, E. (1963). Cytological observations in relation to the taxonomy of the orchids of the Netherlands. Acta Bot. Neerl. 12(2): 172-194.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Malakhova, L. A. & Markova, G. A. (1994). Chromosome numbers in the flowering plants of Tomsk region. Monocotyledones Bot. Žurn. 79(7): 134-135
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Stepanov, N. V. & E. N. Muratova. (1992). Chromosome numbers of some species of higher plants of flora of the Krasnoyarsk region. Bot. Žurn. 77(7):125-126
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Averyanov, L. V. (1977). Chromosome numbers of some species of Orchidaceae family in Leningrad and Vologda district. Bot. Žurn. 62: 547-553.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Averyanov, L. V. (1979). Chromosome numbers of some species of Orchidaceae family from the North-Western part of U.S.S.R. Bot. Žurn. 64: 863-877.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Averyanov, L. V. (1984). A karyosystematic study of some species of orchids (Orchidaceae) in the middle-asian flora. Bot. Žurn. 69: 245-247.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Averyanov, L. V., Averyanova, E. L. & Lavrenko, A. N. (1982b). Karyosystematic study of orchids (Orchidaceae) on the territory of the Komi ASSR. Bot. Žurn. 67: 1491-1499.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 D'Emerico, S., Grünanger, P., Scrugli, A. & Pignone, D. (1999). Karyomorphological parameters and C-band distribution suggest phyletic relationships within the subtribe Limodorinae (Orchidaceae) Plant Systematics and Evolution 217: 147-161
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Mazzola, P., F. Grisafi & S. Romano. (1982a). Numeri cromosomici per la flora italiana: 919-928. Inf. Bot. Ital. 14: 268-274.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Silvestre, S. (1983). Números cromosómicos para la flora española, 295-300. Lagascalia 12(1): 133-135.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Verlaque, R., M. Seidenbinder & C. Reynaud. (1987d). Recherches cytotaxonomiques sur la spéciaton en région Méditerranéenne III: espèces aneuploides. Biol. & Écol. Médit. 10: 315-346.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Vij, S. P., N. Vaidya & K. Kondo (1995). Chromosomes and their bearing on species diversification in Epipactis (Orchidaceae) Kromosomo 77: 2646-2659
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   20 CromoCat 2015 Weijer, J. (1952). The colour-differences in Epipactis helleborine (L.) Cr. Wats. & Coult. and the selection of the genetical varieties by environment. Genetica 26: 1-32.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Barber, H. N. (1942). The pollen grain division on the Orchidaceae. J. Genet. 43(1-2): 97-103.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   38 CromoCat 2015 Hagerup, O. (1947). The spontaneous formation of haploid, polyploid and aneuploid embryos in some orchids. K. Dansk Videnskab. Selskab. Biol. Meddel 20(9): 1-22.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Hagerup, O. (1945). Facultative parthenogenesis and haploidy in Epipactis latifolia. K. Dansk Videnskab. Selskab. Biol. Meddel 19(11): 1-13.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Hagerup, O. (1947). The spontaneous formation of haploid, polyploid and aneuploid embryos in some orchids. K. Dansk Videnskab. Selskab. Biol. Meddel 20(9): 1-22.
!   Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 CromoCat 2015 Weijer, J. (1952). The colour-differences in Epipactis helleborine (L.) Cr. Wats. & Coult. and the selection of the genetical varieties by environment. Genetica 26: 1-32.
  Epipactis helleborine (L.) Crantz Epipactis helleborine (L.) Crantz   40 IAPT/IOPB IAPT/IOPB Chromosome Data 35
!   Epipactis helleborine subsp. helleborine Epipactis helleborine (L.) Crantz   40 Slovakia Database Májovský J., Uhríková A., Javorčíková D., Mičieta K., Králik E., Dúbravcová Z., Feráková V., Murín A., Černušáková D., Hindáková M., Schwarzová T. & Záborský J., 2000: Prvý doplnok karyotaxonomického prehľadu flóry Slovenska. - Acta Fac. Rerum Nat. Univ. Comen., Bot. Supplementum Nr. 1: 1-127.
!   Epipactis helleborine subsp. latina W. Rossi & E. Klein Epipactis helleborine subsp. latina W. Rossi & E. Klein 19   CHROBASE CAPINERI R., ROSSI W. - 1988 (1987). Numeri cromosomici per la flora italiana: 1127-1135.. Inform. Bot. Ital. , 19(3): 314-318.
!   Epipactis helleborine subsp. latina W. Rossi & E. Klein Epipactis helleborine subsp. latina W. Rossi & E. Klein 19   IPCN online Capineri, R. & W. Rossi. 1987. Numeri cromosomici per la flora Italiana: 1127--1135. Inform. Bot. Ital. 19: 314–318.
!   Epipactis helleborine subsp. tremolsii (Pau) E. Klein Epipactis helleborine subsp. tremolsii (Pau) E. Klein   40 IPCN online Verlaque, R., M. Seidenbinder & C. Reynaud. 1987. Recherches cytotaxonomiques sur la spéciation en région Méditerranéenne III: esp@4ces aneuploides. Biol.-Ecol. Medit. 10: 315–346.
!   Epipactis helleborine subsp. tremolsii (Pau) E. Klein Epipactis helleborine subsp. tremolsii (Pau) E. Klein   40 CromoCat 2015 Cauwet, A. M. & Balayer, M. (1984a). Les Orchidées du Bassin méditerranéen. Contribution à l'étude caryologique des espèces des Pyrénées orientales (France) et contrées limitrophes - Tribu des Neottiae Lindl. Bull. Soc. Bot. France 131(2): 121-137.
!   Epipactis helleborine subsp. tremolsii (Pau) E. Klein Epipactis helleborine subsp. tremolsii (Pau) E. Klein   40 CromoCat 2015 Verlaque, R., M. Seidenbinder & C. Reynaud. (1987d). Recherches cytotaxonomiques sur la spéciaton en région Méditerranéenne III: espèces aneuploides. Biol. & Écol. Médit. 10: 315-346.
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38 CHROBASE SCRUGLI A., DE MARTIS B., MULAS B. - 1976. Numeri cromosomici per la flora italiana:238-249.. Inform. Bot. Ital. , 8(1): 82-91.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz 20 40 IPCN online Pandita, T. K. 1986. Cytological studies of some orchids of Kashmir. Pp. 163--172. In S.P. Vij (editor), Biology, Conservation, and Culture of Orchids. New Delhi, for Orchid Society of India, Affiliated East–West Press.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz 20 40 IPCN online Mehra, P. N. & S. K. Kashyap. 1989. Cytol. Orchids North-W. Himalayas Pramodh P. Kapur at Raj Bandhu Industrial Co., New Delhi.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38 IPCN online Malakhova, L. A. 1990. Kariologocheskij analiz prirodnykh populjacij redkich i ischezajushchikh rastenij na juge Tomskoj Oblasti. Bjulleten' Glavnogo Botanic|5eskogo Sada 155: 60–66.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 IPCN online Mehra, P. N. & S. K. Kashypa. 1979. In IOPB chromosome number reports LXIV. Taxon 28: 406–408.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 IPCN online Pandita, T. K. 1979. Cytological investigations of some monocots of Kashmir. Ph.D. Thesis, Chandigarh 1979.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 IPCN online VIJ, S. P., N. Shekhar & R. Kuthiala. 1981. In Chromosome number reports LXXI. Taxon 30: 512.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   36, 44 IPCN67-71 LEVEQUE, M., & R. GORENFLOT. 1969. Prospections caryologiques dans la flore littorale du Boulonnais. Bull. soc. Bot. Nord France 22: 27-58.
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 IPCN67-71 MEHRA, P.N., & S.P. VIJ. 1970. In IOPB chromosome number reports XXV. Taxon 19: 102-113.
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   36 IPCN75-78 Roy & Sharma 1972
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz 20 -40 IPCN75-78 NA
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38 IPCN75-78 Scrugli et al. 1976
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 IPCN75-78 Belaeva & Siplivinsky 1976
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38 IPCN75-78 Peev 1976
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   36 Kumar, 1987 Roy, S.C. & Sharma, A.K. 1972
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   36, 44 Kumar, 1987 Leveque, M. & Gorenflot, R. 1969
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38 Kumar, 1987 Barber, H.N. 1942; Skalinska, M. et al. 1957 ; Mehra, P.N. & Bawa, K.S. 1962 ; Peev, D. 1976
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38, 40 Kumar, 1987 Hagerup, O. 19f7
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   38-40 Kumar, 1987 Meili-Frei, E. 1965
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40 Kumar, 1987 Hagerup, O. 1945 ; Skalinska, M. et al. 1961 ; Mehra, P.N. & Vij, S.P. 1970; 1972a ; Mehra, P.N. & Kashyap, S.K. 1979
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   40, 80 Kumar, 1987 Vij, S.P. & Gupta, G.C. 1975
!   Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz   44 Kumar, 1987 Mehra, P.N. & Pal, Y. 1961
  Epipactis latifolia (L.) All. Epipactis helleborine (L.) Crantz 4 40 Cave1962 Skaliska et al. 1961
  Epipactis tremolsii Pau Epipactis helleborine subsp. tremolsii (Pau) E. Klein   38 IPCN online D'Emerico, S., P. Grünanger, A. Scrugli & D. Pignone. 1999. Karyomorphological parameters and C-band distribution suggest phyletic relationships within the subtribe Limodorinae (Orchidaceae). Pl. Syst. Evol. 217: 147–161.
  Epipactis tremolsii Pau Epipactis helleborine subsp. tremolsii (Pau) E. Klein   16, 20, 24, 30, 32, 34, 36, 36+2B, 38+0-1B, 40+1B, 52, 60 IPCN online Bernardos, S., F. Amich & A. Crespí. 2003. Karyological and taxonomical notes on three species of the genus Epipactis (Neottioideae, Orchidaceae) in the central-western Iberian Peninsula. Folia Geobot. 38(3): 319–331.