As classified in WFO snapshot
December 2022
Warning: older classification
variety
Arrhenatherum avenaceum var. palustris
Roem. & Schult.
This variety name was first published in Syst. Veg., ed. 15[bis]. 2: 496 (1817)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .