| Calamagrostis deschampsioides Trin. | |
| Publ. & Syn. | Trin., Sp. Gram. 3: t. 354 (1836). Holotype (LE): Russian Far East: Kamtschatka, 1829, leg. Kastalsky. |
| Notes | See Excluded taxa and notes above for the pollen-sterile Calamagrostis kolymaensis, combining morphological features of C. deschampsioides and C. holmii, and almost certainly a hybrid. |
| Chromosomes | 28 (4x). - Far East (N, S), Alaska, Canada. - Numerous reports. |
| Geography | European (N) & Asian (N) - amphi-Beringian - North American (N): RUS SIB RFE ALA CAN. |
| Distribution | N = F AN = r AO = r C = ? D = S E = F CC = r YG = ? HL = s FN = r CE = s CS = s UN = s YK = r AW = s Kh = r CW = s Tm = r KP = s [ key ] |
| Parent taxon | Calamagrostis Adans. |
| PAF ID | 342004 |