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CCDB → Angiosperms → Poaceae → Festuca → Festuca frederikseniae E. B. Alexeev
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Festuca vivipara subsp. hirsuta (Schol.) Fred. | Festuca frederikseniae E. B. Alexeev | 28 | IPCN online | GERVAIS, C., R. Trahan & J. Gagnon. 1999. IOPB chromosome data 14. Newslett. Int. Organ. Pl. Biosyst. (Oslo) 30: 10–15. | |||
| Festuca vivipara subsp. hirsuta (Schol.) Fred. | Festuca frederikseniae E. B. Alexeev | 28 | IPCN online | Frederiksen, S. 1981. Festuca vivipara (Poaceae) in the North Atlantic area. Nordic J. Bot. 1: 277–292. | |||
| ! | Festuca vivipara var. hirsuta Schol. | Festuca frederikseniae E. B. Alexeev | 28, 49 | IPCN73-74 | FREDERIKSEN, s. 1974. studies on viviparous Festuca in south |