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Northern Prairie Wildlife Research Center

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Aquatic and Wetland Vascular Plants of the Northern Great Plains

63. Poaceae, the Grass Family

6. Calamagrostis Adans. -- Reedgrass

2. Calamagrostis stricta (Timm) Koel. -- Northern reedgrass


Sometimes resembling C. canadensis, foliage glaucous, the culms more stout, erect, 3-12 dm tall; leaf blades stiff, often involute, 1-4 mm wide when flat. Panicle contracted, dense or interrupted, 6-15(25) cm long, the branches short, ascending to appressed. Glumes (2.5)3-4(5) mm long, scabrous on the back; lemma 2-3(4) mm long, rather firm, opaque, scabrous; anthers 1.2-2.6 mm long. Late Jun--Sep. Wet meadows, shallow marshes, springs, boggy areas, shores and stream banks; common in the n part, less so s and w; (Greenl. to AK, s to NY, PA, VA, OH, MO, KS, NM, AZ and CA). C. inexpansa (Torr.) A. Gray; C. neglecta (Ehrh.) Gaertn.
GIF- Distribution Map

Map key


Previous Section -- Calamagrostis canadensis (Michx.) Beauv. -- Bluejoint reedgrass
Return to Family -- Poaceae - The Grass Family
Next Section -- Catabrosa aquatica (L.) Beauv. -- Brookgrass

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