Equisetum scirpoides
Fl. Bor.-Amer. 2: 281. 1803.
Common names: Dwarf scouring rush prêle faux-scirpe
Treatment appears in FNA Volume 2.
Revision as of 18:55, 24 September 2019 by FNA>Volume Importer
Aerial stems persisting more than a year, unbranched, tortuous, 2.5–28 cm; lines of stomates single; ridges 6. Sheaths green proximally, black distally, elliptic in face view, 1–2.5 × 0.75–1.5 mm; teeth 3, dark with white margins, not articulate to sheath. Cone apex pointed; spores green, spheric. 2n =216.
Phenology: Cones maturing in summer, or cones overwintering and shedding spores in spring.
Habitat: Wet woods, peat bogs, tundra
Elevation: 0–1000 m
Distribution
Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Idaho, Ill., Iowa, Maine, Mass., Mich., Minn., Mont., N.H., N.Y., S.Dak., Vt., Wash., Wis., n Eurasia.
Discussion
Selected References
None.
Lower Taxa
None.