Elymus nodosus subsp. gypsicolus Melderis in Notes Roy. Bot. Gard. Edinburgh 42: 82. 1984
Elymus nodosus subsp. gypsicolus in Notes Roy. Bot. Gard. Edinburgh 42: 82. 1984
is basionym for Elytrigia caespitosa subsp. gypsicola in Willdenowia 36: 660. 2006