Description
provided by eFloras
Aerial stems dimorphic; vegetative stems green, branched, 16--50 cm; hollow center 1/6--1/3 stem diam. Sheaths somewhat elongate, 3--5 × 2--4 mm; teeth 8--18, narrow, 1.5--4 mm, centers dark and margins white. Branches in regular whorls, horizontal to drooping, solid; ridges 3; valleys channeled; 1st internode of each branch equal to or longer than subtending stem sheath; sheath teeth deltate. Fertile stems brown, with stomates, initially unbranched, persisting and becoming branched and green after spore discharge.
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- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon; Alaska, Conn., Ill., Iowa, Maine, Mass., Mich., Minn., N.H., N.Y., N.Dak., Vt., Wis.; n Eurasia to ne China, Japan in Hokkaido.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Cones maturing in late spring. Meadows, wet woodlands; 0--2000m.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA