Calamagrostis deschampsioides subsp. macrantha Piper ex Scribner & Merrill

Calamagrostis deschampsioides subsp. macrantha Piper ex Scribner & Merrill is a synonym sensu TROPICOS of:

Calamagrostis deschampsioides Trinius, an accepted species name sensu FNA Ed. Comm., 2007.