Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
6. Calamagrostis Adans. -- Reedgrass1. Calamagrostis canadensis (Michx.) Beauv. -- Bluejoint reedgrass
Culms rather slender, erect, 6-15 dm tall, often rooting from lower nodes when partly submersed; leaves green to glaucous, the blades rather lax, flat, 2-6 mm wide. Panicle rather loose and open, 8-20 cm long, the branches ascending to spreading. Glumes (1.5)2-4 mm long, glabrous or scaberulous on the back; lemma 1.5-3 mm long, thin, translucent, glabrous to scaberulous; anthers 1-1.7 mm long. Late Jun--Aug. Wet meadows, shallow marshes, boggy areas, springs and stream banks; frequent in the n and e parts, also the Black Hills and the Sand Hills, otherwise uncommon; (Greenl. to AK, s to NJ, WV, NC, MO, KS, NM and CA).
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| Calamagrostis canadensis (from Hitchcock 1950). |
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