CCDB Header
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 new counts, or report erroneous counts.


CCDBPteridophytesDennstaedtiaceaePteridiumPteridium aquilinum

55 chromosome counts in Pteridium aquilinum:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Pteridium aquilinum Pteridium aquilinum (L.) Kuhn 52   IPCN66 Manton in Holttum 1954
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 British Isles cytology Bailey, J.P., Gornall, R.J. Irish Naturalists' J. : ()
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   156 British Isles cytology Ranker, T.A., Sheffield, E., Wolf, P.G., Rumsey, F.J., Robson, D.J., Challinor, S.M. Ann. Bot. (London), n.s. 72: 231-237 (1993)
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   n=52 British Isles cytology Manton, I. Probl. Cytol. Evol. Pterid. (1950)
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   ca 104 British Isles cytology McAllister, H. Pers.comm. to R.J.Gornall : 8.x (1992)
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104, 156 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=1488
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Flora Europaea Manton, 1950
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online Wolf, P. G. 1986. In: C. H. Haufler & D. E. Soltis, Genetic evidence suggests that homosporous ferns with high chromosome numbers are diploid. Proc. Natl. Acad. Sci. U.S.A. 83: 4389–4393.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online Wolf, S. J. & J. McNeill. 1987. Cytotaxonomic studies on Polygonum section Polygonum in eastern Canada and the adjacent United States. Canad. J. Bot. 65: 647–652.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online Manton, I., J. D. Lovis, G. Vida & M. GIBBY. 1986. Cytology of the fern flora of Madeira. Bull. Brit. Mus. (Nat. Hist.), Bot. 15(2): 123–161.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online Punetha, N. 1989. Cytological observations on ferns of Kumaon (N. W. Himalaya). Aspects Pl. Sci. 11: 459–465.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 IPCN online Druskovic, B. & M. Lovka. 1995. IOPB chromosome data 9. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 24: 15–19.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online Bir, S. S. 1996. Cytology of some ferns from the Nilgiris, south India III. Brit. Fern Gaz. 15: 141–149.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN online GHATAK, J. 1977. Biosystematic survey of pteridophytes from Shevaroy Hills, south India. Nucleus 20: 105–108.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   IPCN75-78 Ghatak 1977
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Love, 1977 Manton 1950
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Love, 1977 Wilkie 1956
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Love, 1977 Manton 1959
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Love, 1977 Sorsa 1961
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 Love, 1977 Sorsa 1962
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   Cave1956supp Manton & Sledge 1954
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   Cave1962 Sorsa 1961
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   Cave1962 Abraham
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   Cave1963 Sorsa 1962
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52 104 Cave1963 Roy & Sak. in Fabbri 1963
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Manton, I. (1950). Problems of cytology and evolution in the Pteridophyta. Cambridge
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Manton, I. (1959). Cytological information on the ferns of west tropical Africa. In: Keay, R. W. J. (ed.), Flora of west tropical Africa (ed. 2). London.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Page, C. N. (1976). The taxonomy and phytogeography of bracken-a review. Bot. J. Linn. Soc. 73: 1-34.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Sorsa, V. (1961). Chromosome studies in Finnish Pteridophyta, II. Hereditas 47: 480-488.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Sorsa, V. (1962). Chromosomenzahlen Finnischer Kormophyten, I. Ann. Acad. Sci. Fenn., Sér. A 58: 1-14.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Wilkie, D. (1956). Incompatibility in bracken. Heredity 10: 247-256.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 CromoCat 2015 Britton, D. M. (1953). Chromosome studies on ferns. Amer. J. Bot. 40: 575-583.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 CromoCat 2015 Brownlie, G. (1957). Cytotaxonomic studies on New Zealand Pteridaceae. New Phytol. 56: 207-209.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 CromoCat 2015 Druskovic, B. & Lovka, M. (1995). IOPB Chromosome Data 9 (ed. C.A. Stace). Int. Organ. Pl. Biosyst. Newslett. 24: 15-19.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 CromoCat 2015 Mehra, P. N. & S. C. Verma. (1960). Cytotaxonomical observations on some West Himalayan Pteridaceae. Caryologia 13: 619-650.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   104 CromoCat 2015 Wagner, W. H. (1955). Cytotaxonomic observations on North American ferns. Rhodora 57: 219-240.
  Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   c.104 CromoCat 2015 Page, C. N. (1976). The taxonomy and phytogeography of bracken-a review. Bot. J. Linn. Soc. 73: 1-34.
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn 52   CromoCat 2015 Castroviejo & al. (2003). Flora Iberica (vol. I-VIII, X, XIV) Publicaciones del CSIC Madrid
!   Pteridium aquilinum (L.) Kuhn Pteridium aquilinum (L.) Kuhn   140 CromoCat 2015 Löve, A. & Löve, D. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 484-487.
!   Pteridium aquilinum None Pteridium aquilinum (L.) Kuhn 52   Cave1956supp Britton 1953
  Pteridium aquilinum subsp. latiusculum (Desv.) Hultén Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller   104 IPCN online Love, A. & D. Love. 1976. In IOPB chromosome number reports LIII. Taxon 25: 483–500.
!   Pteridium aquilinum subsp. wightianum (J. Agardh) W. C. Shieh Pteridium revolutum (Blume) Nakai 52   IPCN online Khullar, S. P., S. S. Sharma & S. C. Verma. 1988. SOCGI plant chromosome number reports -- VI. J. Cytol. Genet. 23: 38–52.
  Pteridium aquilinum var. arachnoideum (Kaulf.) Brade Pteridium arachnoideum (Kaulf.) Maxon   104 IPCN online Walker, T. G. 1985. Cytotaxonomic studies of the ferns of Trinidad 2. The cytology and taxonomic implications. Bull. Brit. Mus. (Nat. Hist.), Bot. 13(5): 149–249.
!   Pteridium aquilinum var. arachnoideum (Kaulf.) Brade Pteridium arachnoideum (Kaulf.) Maxon   208 IPCN67-71 JARRETT, F.M.' I. MANTON, & S.K. ROY. 1968. Cytological and taxonomic notes on a small collection of living ferns from Galapagos. Kew Bull. 22: 475-480.
!   Pteridium aquilinum var. lanuginosum (Bong.) Hulten Pteridium aquilinum var. lanuginosum (Bong.) Fernald   104 IPCN67-71 LOEVE, A, D. LOEVE, & B.M. KAPOOR. 1971. Cytotaxonomy of a century of Rocky Mountain orophytes. Arctic & Alpine Res. 3: 139-165.
!   Pteridium aquilinum var. latiusculum Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN73-74 MITUI, K. 1973. A cytological survey on the Pteridophytes of the Bon Islands. J. Jap. Bot. 48: 247-253.
!   Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN65 Kurita 1963
  Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN online Mitui, K. 1976a. Chromosome numbers of some ferns in the Ryukyu Islands. J. Jap. Bot. 51: 33–41.
!   Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN66 Wagner & Wagner 1966
!   Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN67-71 MITUI, K. 1968. Chromosomes and speciation in ferns. Sci. Rep. Tokyo Kyoiku Daigaku Sect. B 13: 285-333.
!   Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller 52   IPCN75-78 Mitui 1976a
!   Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum var. latiusculum (Desv.) Underw. ex A. Heller   104 eFlora  
!   Pteridium aquilinum var. pseudocaudatum None Pteridium aquilinum var. pseudocaudatum (Clute) A. Heller 52   Cave1956supp Wagner 1955
!   Pteridium aquilinum var. wightianum (J. Agardh) R. M. Tryon Pteridium revolutum (Blume) Nakai 52 104 IPCN online Kuriachan, P. I. & C. A. Ninan. 1976. Cytological evolution in the fern family Pteridaceae. In: P. K. K. Nair (editor), Aspects of Plant Sciences. 1: 127.
!   Pteridium aquilinum var. wightianum (J. Agardh) R. M. Tryon Pteridium revolutum (Blume) Nakai 52 104 IPCN67-71 ROY, R.P., B.M.B. SINHA, & A.R. SAKYA. 1971. Cytology of some ferns of Kathmandu valley. Brit. Fern Gaz. 10: 193-199.