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CCDB → Pteridophytes → Cystopteridaceae → Cystopteris → Cystopteris fragilis subsp. fragilis
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Cystopteris fragilis subsp. fragilis | Cystopteris fragilis (L.) Bernh. | 84 | IPCN online | Queirós, M. 1991. Estudos cromossómicos em Pteridophyta de Portugal. II. Collect. Bot. (Barcelona) 20: 23–33. | |||
| Cystopteris fragilis subsp. fragilis | Cystopteris fragilis (L.) Bernh. | 84 | IPCN online | Queirós, M. 1998. Estudos cromosómicos em Pteridophyta de Portugal, III. Collect. Bot. (Barcelona) 23: 73–77. | |||
| ! | Cystopteris fragilis subsp. fragilis | Cystopteris fragilis (L.) Bernh. | n = 126 | Austria_checklist | Blasdell, R. F. 1963. A monographic study of the fern genus Cystopteris. Mem.Torrey Bot.Club 21[4], 1-102. under Cystopteris fragilis (L.) Bernh. |