Calamagrostis purpurascens was created in 1823.
Calamagrostis canadensis was created in 1803.
Drosera purpurascens was created in 1856.
Othorene purpurascens was created in 1905.
Sthenopis purpurascens was created in 1863.
Palaeomolis purpurascens was created in 1909.
Glyphostoma purpurascens was created in 1871.
Heliamphora purpurascens was created in 2011.
Anodorhynchus purpurascens was created in 1907.
Conus purpurascens was created in 1833.
The scientific or taxonomic name would be Calamagrostis spp.
The scientific or taxonomic name would be Calamagrostis canadensis.
The scientific or taxonomic name would be Calamagrostis stricta.