Agropyron boreale subsp. hyperarcticum Agropyron sajanense Agropyron violaceum var. hyperarcticum Elymus alaskanus subsp. sajanensis Elymus alaskanus subsp. villosus Elymus hyperarcticus Elymus sajanensis subsp. coeruleus Elymus sajanensis subsp. villosus Elymus vassiljevii Elymus vassiljevii subsp. coeruleus Elymus vassiljevii subsp. laxe-pilosus Roegneria borealis subsp. hyperarctica Roegneria borealis var. hyperarctica Elymus laxe-pilosus Agropyron boreale var. hyperarcticum Elymus alaskanus subsp. hyperarcticus Elymus hyperarcticus subsp. villosus Elymus sajanensis subsp. hyperarcticus Roegneria hyperarctica Roegneria sajanensis Roegneria villosa Roegneria villosa subsp. coerulea Roegneria villosa subsp. laxe-pilosa Elymus vassiljevii var. laxe-pilosus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024