Marsh Foxtail

Alopecurus geniculatus hSp. PI. 60. 1753
Tozzeltia geniculate. Bubani, Fl. Pyren. 4: 275. 1901. (Based on Alopecurus geniculatus L.)
Perennial; culms several-noded, decumbent or long-decumbent at base, rooting at the lower nodes, glabrous, 10-50 cm. long above the rooting base; sheaths glabrous, usually not inflated; ligule 2-3 mm. long; blades scaberulous, 1-4 mm. wide; panicles about as in .1. aequalis; spikelets about 2.5 mm. long, the tip dark-purple ; awn of lemma about as long again as the spikelet; anthers about 1.5 mm. long. Differing from A. aequalis in the longer rooting base, the purple-tipped spikelets, and the more conspicuous awn, giving the panicle a softly bristly appearance.
Type locality: Europe.
Distribution: In water and wet places, Newfoundland to Saskatchewan and British Columbia, and southward through New England to New York, New Jersey, and Virginia, and through Washington to California; Montana; Colorado; Arizona; also in Eurasia.

Alopecurus pallescens Piper; Piper & Beattie, Fl. Palouse Reg. 18. 1901.
Perennial, tufted, pale-green; culms erect or the lower nodes geniculate, glabrous, 30-50 cm. tall; sheaths glabrous, the upper somewhat inflated; ligule thin, acuminate, as much as 7 mm. long; blades flat, scabrous on the upper surface, 1-5 mm. wide; panicles finally longexserted, pale, 2-7 cm. long, 4—6 mm. wide; glumes about 3 mm. long, ciliate on the keel, appressed-pubescent on the sides; lemma about as long as the glumes, glabrous, the awn attached near the base, geniculate, exserted 3-5 mm.; anthers orange, 2 mm. long.
Type locality: Pullman. Washington {Piper 1743).
Distribution: Edges of ponds and wet places, Idaho to Washington and northern California.