Arrhenatherum elatius var. biaristatum (Petermann) Petermann

Arrhenatherum elatius var. biaristatum (Petermann) Petermann is a synonym sensu FNA Ed. Comm., 2007 of:

Arrhenatherum elatius (Linnaeus) P. Beauvois ex J. Presl & C. Presl subsp. elatius, an accepted subspecies name sensu FNA Ed. Comm., 2007.