Aquatic and Wetland Vascular Plants of the Northern Great Plains
62. Cyperaceae, the Sedge Family
5. Elocharis R. Br. -- Spikesedge, spikerush9. Eleocharis smallii Britt. -- Spikerush
Very similar to E. macrostachya and often difficult to distinguish from it, differing mainly as follows: Culms terete, 4-10 dm tall, often soft and inflated, 1-5 mm thick; sheaths membranous or firm, sharply oblique at the orifice, with a prominent V-shaped sinus. Spikelets lance-cylindric, acuminate, 7-27 mm long; floriferous scales linear-lanceolate, 3-4.5 mm long. Jun--Aug. Marshes, ditches, stream and lake margins, often in shallow water; common, often abundant; (Labr. and Newf. to Man., s to DE, VA, TN, AL, MO and OK). E. palustris (L.) R. & S.
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