Equisetum arvense L. f. serotina (G. F. W. Meyer) Milde
Annotated by H.M. Raup, L.G. Raup, 1944.

Yukon Territory: Mountain slopes east of the mouth of Slims River, Kluane Lake. Elev. 4500 ft
61° N, 138.4° W,
Datum: Unknown. Coordinate Source: Verbatim from Collector/Sheet.
Damp alpine turf. Arnold Arboretum Expedition to the Alaska Highway.

Hugh M. Raup 12573, 1944 Jul 18
With L.G. Raup
UBC, Accession: V99155