Equisetum trachyodon f. geminatum (S.F.Blake) M.Broun
, Index No. Amer. Ferns 96 (1938).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:93029-2
- Publication
- Index to North American Ferns
- Collation
- 96
- Family as entered in IPNI
- Equisetaceae
Links
- Nomenclatural link
- Equisetum variegatum f. geminatum S.F.Blake, Rhodora 15: 156 (1913).
- Same citation as
- Equisetum trachyodon f. geminatum (Blake) M.Broun