| Diphasiastrum Holub | |
| Publ. & Syn. | Excluded: Diphasiastrum tristachyum. |
| Notes | The majority of authors currently accept Diphasiastrum (e.g., Rothmaler and Jermy 1993; Wagner Jr. and Beitel 1993; Hämet-Ahti et al. 1998; Kukkonen 2000; Elven et al. 2005). A few continue to merge it with Lycopodium (e.g., Øllgaard 1990). |
| Chromosomes | 68 (4x). - Canada (Ontario). - Löve and Löve (1976b). |
| Geography | Amphi-Pacific/Beringian - North American: ALA CAN. |
| Parent taxon | Lycopodiaceae |
| Child taxa |
Diphasiastrum alpinum (L.) Holub Diphasiastrum complanatum (L.) Holub Diphasiastrum sitchense (Rupr.) Holub |
| PAF ID | 0102 |