alligator grass

Thesaurus

Noun

1.

alligator grass - prolific South American aquatic weed having grasslike leaves and short spikes of white flowers; clogs waterways with dense floating massesalligator weed, Alternanthera philoxeroidesAlternanthera, genus Alternanthera - genus of low herbs of tropical America and Australia; includes genus Telantheraweed - any plant that crowds out cultivated plants