familyEquisetaceae
genusEquisetum
subgenusEquisetum subg. Equisetum
speciesEquisetum variegatum
subspeciesEquisetum variegatum subsp. alaskanum
Equisetum variegatum subsp. alaskanum
Acta Univ. Lund. 37(1): 59. 1941.
Endemic
Basionym: Equisetum variegatum var. alaskanum A.A. Eaton in Merriam, Harriman Alaska Exped. 5: 390. 1904
Treatment appears in FNA Volume 2.
Stems 26–55 cm; teeth all black or with obscure white margins, 8–14, incurved.
Phenology: Cones maturing in late summer, or cones overwintering and shedding spores in spring.
Habitat: Lakeshores, riverbanks, ditches, wet woods, tundra
Elevation: 0–1500 m
Distribution
B.C., Yukon, Alaska, Wash.
Discussion
Selected References
None.
Lower Taxa
None.