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Ditches, shores, marshes, and bogs. In mud or shallow water.
Circumboreal; occurring as far south as southern PA, IL, IA, NE, and WA in North America.
Fertile and sterile stems alike, produced annually, to 1 m or more, with 9-25 smooth, shallow ridges; central cavity more than half the diameter of the stem; sheaths green, 4-9 mm, with black or nearly black, persistent teeth 1.5-3 mm or more long; branches may be lacking or abundant from the middle and upper nodes. Strobilis 1-2 cm, pedunculate, deciduous.
Strobilli produced May and June
Wetland indicator: Obligate
Another common name is simply "Pipes".
Gleason, Henry A.
and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States
and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G.
Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
Michael Hough © 2010