Tragus berteronianus Schult.
Acevedo-Rodríguez, Pedro & collaborators. 1996. Flora of St. John, U.S. Virgin Islands. Mem. New York Bot. Gard. 78: 1-581.
Species Description - Cespitose annual herb, spreading near base; culms 5-60 cm tall. Leaf ligules 0.5-1.1 mm long, a fringe of hairs; blades 1-6 X 0.2-0.5 cm, the margins white, cartilaginous, stiffly ciliate. Inflorescences 2-10 x 0.3-0.7 cm, narrowly spikelike. Spikelets 2.3-3.7 mm long, sessile or pedicellate, the pedicel to 0.5 mm long; glumes lanceolate, 5-nerved with 5 rows of hooked spines along the nerves, the spines 0.3-0.8 mm long; anthers 0.4-0.6 mm long. Caryopsis 0.9-1.1 mm long, light yellowish.
An occasional weed of open, dry disturbed habitats. Drunk Bay (A5064), Nanny Point (A2452). Also on St. Croix and St. Thomas; native to the Old World, now a pantropical weed.
Saint Thomas Virgin Islands of the United States South America| Saint Croix Virgin Islands of the United States South America| Saint John Virgin Islands of the United States South America|