Tuctoria greenei (Vasey) J. Reeder

Tuctoria greenei (Vasey) J. Reeder. Tuctoria greenei is a species of grass endemic to California. Its common names include awnless spiralgrass and Greene's tuctoria. It is included by the California Native Plant Society on list 1B.1. It is also listed by the state of California as rare and by the Federal Government as endangered, having been federally listed on March 26, 1997.