Sclerochloa dura (Cynosurus durus) common hardgrass Poaceae SCDU2; BX; vc (Z. Wang 9/2016);


Sclerochloa dura (hardgrass). Zihao Wang. VC Park. BX, NYC. 9-5-2016 (Accessed 9/2016).

Sclerochloa dura is an annual grass; stems tufted, 4-10 cm long; ligule membranous, 0.1-0.2 cm long.

Leaves 2–7 cm long; 0.1–0.3 cm wide; leaf tip abruptly pointed.

Flower spikes stiff, 1-4 cm long; spikelets 0.6–1.1 cm long, solitary, densely arranged in 2 rows along the 3-sided flower stalk; glumes unequal, shorter than the 5-veined lemma (Clayton et al. 2002+).

Fruit: a grain.

Wetland status: NL. 

Frequency in NYC: Very infrequent. 

Origin: S. Europe. 

Habitat: Dry, sterile, soil in open, disturbed areas, trampled areas (Gleason and Cronquist 1991).

Notes: Also apparently native to parts of Canada (USDA, NRCS. 2016. The PLANTS Database).