Elymus x hansenii

Elymus x hansenii Scribn. (pro sp.) [glaucus × elymoides or multisetus]  

Family: Poaceae

[Elymus leckenbyi (Piper) Piper, moreSitanion leckenbyi Piper, Sitanion planifolium J.G. Sm., Sitanion rubescens Piper, Sitanion x hansenii (Scribn.) J.G. Smith (pro sp.)]