bromegrass : Idioms & Phrases
awnless bromegrass
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noun drought-resistant perennial with awns lacking or very short and long creeping rhizomes; Europe and temperate Asia
Bromus inermis.
WordNet
downy bromegrass
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noun annual or winter annual grass with softly hairy leaves of the Mediterranean
Bromus tectorum; drooping brome; downy chess; downy brome; downy cheat; cheatgrass.