genus Sporobolus ge·nuss·po·robolus uncommon noun 1. cosmopolitan annual and perennial grasses (as dropseed or rush grass) SynonymsSporobolusgenus Sporobolus Related words Broader terms monocot genus Parts Gramineae Part of dropseedsmut grassrush grass WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
