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CCDB → Pteridophytes → Pteridaceae → Notholaena → Notholaena grayi Davenp.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Notholaena grayi subsp. grayi | Notholaena grayi Davenp. | 90 | IPCN online | Windham, M. D. & G. Yatskievych. 2003. Chromosome studies of cheilanthoid ferns (Pteridaceae: Cheilanthoideae) from the western United States and Mexico. Amer. J. Bot. 90(12): 1788–1800. | |||
| Notholaena grayi subsp. sonorensis Windham | Notholaena grayi Davenp. | 30 | IPCN online | Windham, M. D. 1993. New taxa and nomenclatural changes in the North American fern flora. Contr. Univ. Michigan Herb. 19: 31–61. | |||
| Notholaena grayi subsp. grayi | Notholaena grayi Davenp. | 90 | eFlora | ||||
| ! | Notholaena grayi subsp. sonorensis Windham | Notholaena grayi Davenp. | 60 | eFlora |