Cockspur (Cockspur grass)
Echinochloa crus-galli (L.) P. Beauv. [Poaceae]
Inubie (イヌビエ, 犬稗)
Life form: turfed, weedy annaul grass
Distribution: Originally in tropical Asia and Africa
Habitat: disturbed areas, such as roadsides, ditches, and furrows of paddy fields
Varieties (diverse and confusing)
var. aristata Gray (ケイヌビエ)
f. kanashiroi Ohwi (ウスゲケイヌビエ)
var. crus-galli (イヌビエ, s.s.)
var. formosensis Ohwi (ヒメタイヌビエ)
var. praticola Ohwi (ヒメイヌビエ)
Echinochloa crus-galli in Hokkaido
var. crus-galli
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[1] at Shirogane Falls, Ofuyu Cape, on October 12 2010. [2] a grassland dominated by E. crus-galli. [2-4] in front of the backgate of Hokkaido University of Education at Hakodate on September 20 2011.
var. aristata
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[5/6] At a garden by Sub-Ranger House, Toyotomi Town, on October 13 2010. Because this garden is frequently cut for keeping a lawn, the plants become shorter than usual.