| Ophioglossaceae | |
| Publ. & Syn. | Michx., Fl. Bor.Amer. 2: 281 (1803). Described from eastern Canada. - Hippochaete scirpoides (Michx.) Farw., Mem. New York Bot. Gard. 6: 467 (1916). |
| Chromosomes | 216 (2x). - Europe, Canada. - At least three reports. |
| Geography | Circumboreal-polar: NOR RUS SIB RFE ALA CAN GRL. |
| Child taxa |
Botrychium Sw. Ophioglossum L. |
| PAF ID | 05 |