Creeping Spikerush - Eleocharis palustris
Eleocharis erythopoda, Eleocharis macrostachya, Eleocharis xyridiformis
MNPS Threat Rank
Rhizomatous perennial. Stems erect with purple bases, 7–90 cm solitary or few together. Spikelet 5–25 mm long with numerous flowers. Scales brown to purple with a green or tan midrib, 2.5–4 mm long, the lowest 1 or 2 empty, bract-like. Flowers: bristles 4 to 6, exceeding the achene; stigmas 2. Achenes yellow to brown, smooth, obovate, lenticular, 2–3 mm long including the short-stemmed triangular tubercle 0.5–1 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Circumboreal south through U.S. and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Vernally wet to shallow water of wet meadows, margins of lakes, ponds, marshes, fens; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- Additional ReferencesLegend: View Online Publication
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- Hildebrand, B. D. 1979. Habitat requirements of molting Canada Geese at Lima Reservoir, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 79 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.