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CCDB → Pteridophytes → Athyriaceae → Athyrium → Athyrium filix-femina var. angustum (Willd.) G. Lawson
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Athyrium filix-femina subsp. angustum (Willd.) R. T. Clausen | Athyrium filix-femina var. angustum (Willd.) G. Lawson | 80 | IPCN online | Love, A. & D. Love. 1976. In IOPB chromosome number reports LIII. Taxon 25: 483–500. | ||
| ! | Athyrium filix-femina subsp. angustum (Willd.) R. T. Clausen | Athyrium filix-femina var. angustum (Willd.) G. Lawson | 80 | IPCN66 | Love & Love 1966b | ||
| ! | Athyrium filix-femina var. angustum (Willd.) G. Lawson | Athyrium filix-femina var. angustum (Willd.) G. Lawson | 80 | eFlora | |||
| ! | Athyrium filix-femina var. angustum None | Athyrium filix-femina var. angustum (Willd.) G. Lawson | 80 | CromoCat 2015 | Löve, A. & Löve, D. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 484-487. |