{# 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.


CCDBPteridophytesDryopteridaceaePolystichumPolystichum squarrosum (D. Don) Fée

13 chromosome counts in Polystichum squarrosum (D. Don) Fée:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   c.80, 82 IPCN online GIBBY, M. 1985. Cytological observations on Indian subcontinent and Chinese Dryopteris and Polystichum (Pteridophyta: Dryopteridaceae). Bull. Brit. Mus. (Nat. Hist.), Bot. 14: 1–42.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   164 IPCN online Matsumoto, S. & T. Nakaike. 1988. Chromosome numbers of some ferns in Kathmandu, Nepal. Cryptog. Himalayas 1: 177–185.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 41   IPCN online Khullar, S. P., S. S. Sharma & S. C. Verma. 1988. SOCGI plant chromosome number reports -- VI. J. Cytol. Genet. 23: 38–52.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 41   IPCN online Khullar, S. P. & S. C. Gupta. 1978. Cytotaxonomy of the genus Polystichum in the Western Himalayas. Pl. Syst. Evol. 129: 269–275.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 41   IPCN online Punetha, N. 1989. Cytological observations on ferns of Kumaon (N. W. Himalaya). Aspects Pl. Sci. 11: 459–465.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   82 IPCN online Kato, M., N. Nakato, X. Cheng & K. Iwatsuki. 1992. Cytotaxonomic study of ferns of Yunnan, southwestern China. Bot. Mag. (Tokyo) 105: 105–124.
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 82   IPCN online GHATAK, J. 1977. Biosystematic survey of pteridophytes from Shevaroy Hills, south India. Nucleus 20: 105–108.
!   Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 41   IPCN75-78 Khullar & Gupta 1978
!   Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 82   IPCN75-78 Ghatak 1977
!   Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   82 Love, 1977 Verma & Loyal 1960a
!   Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   82 Love, 1977 Verma (in Mehra 1961b)
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée 41   IAPT/IOPB IAPT/IOPB Chromosome Data 30
  Polystichum squarrosum (D. Don) Fée Polystichum squarrosum (D. Don) Fée   3x = 123 IAPT/IOPB IAPT/IOPB Chromosome Data 30