Eleocharis acicularis var. acicularis

Eleocharis nervata Svenson, Rhodora 31 : 204. 1929
Chaetocyperus radicans Steud. Syn. Cyp. 74. 1855. (Oaxaca, Mexico.)
Heleocharis radicans Hemsl. Biol. Centr. Am. Bot. 3 : 456. 1885. Not Eleocharis radicans (Poir.) Kunth, 1837.
Plants matted, usually with elongated, whitened rhizomes ; culms soft, spreading, 3-9 cm.
long, obscurely striate and angled; sheaths membranous and marcescent, greenish, hyaline
at the apex; spikelets ovate, 2-3 mm. long, 3-5-flowered; scales ovate, acute to obtuse,
keeled, spreading at maturity, prominently striate, green, sometimes rufescent on the sides ;
style trifid; stamens 3; anthers 0.7 mm. long; achenes 1.5 mm. long, narrowly obovate, with
60-70 trabeculae in each longitudinal series; style-base conic; bristles frequently 3, equaling
the achene.
Type locality: Vicinity of Puebla (Arsene 217). Distribution : Alpine summits in Mexico and (juatemala.