EcoFlora - Equisetum telmateia

Equisetum telmateia Ehrh.
Family: Equisetaceae Giant Horsetail [Equisetum telmateia var. breve Milde, more] Paul Rothrock	FNA Gleason & Cronquist Resources Richard L. Hauke in Flora of North America (vol. 2) Subspecies 2 (1 in the flora): North America, Europe, n Africa, w Asia. Vascular plants of NE US and adjacent Canada Resembling no. 9 [Equisetum arvense L.], but much more robust; sterile stems 5-30 dm, 0.5-2 cm thick, with more numerous (commonly 20-40) but lower ridges, their sheaths mostly 1-2.5 cm, with slender, attenuate teeth 3-8 mm, the branches 4-6-angled, fertile stems 2.5-6 dm, 1-2.5 cm thick, their sheaths 2-5 cm, with 20-30 prominent teeth connate in groups of 2-4; cone 4-10 cm. Moist low places; Europe and N. Afr.; Alaska panhandle to s. Calif.; formerly (but perhaps not now) in n. Mich. The Amer. pls have been segregated as var. braunii (Milde) Milde. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
Open Interactive Map Paul Rothrock Paul Rothrock Bill Harms Bill Harms Bill Harms Bill Harms $Equisetum telmateia image$ University of Florida Herbarium Click to Display 100 Initial Images - - - - - View All Images