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Synonyms for Star Grass (same or very similar meaning)

WordNet sense 1 (any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic):
colicroot, crow corn, unicorn root

WordNet sense 2 (trailing grass native to Europe now cosmopolitan in warm regions; used for lawns and pastures especially in southern United States and India):
doob, kweek, Bahama grass, Cynodon dactylon, devil grass, scutch grass, Bermuda grass

WordNet sense 3 (perennial Australian grass having numerous long spikes arranged like the vanes of a windmill):
windmill grass, Chloris truncata, creeping windmill grass

From the ODE community, based on WordNetadd/edit