Critesion brachyantherum Hordeum boreale Hordeum brachyantherum var. gracilius Hordeum jubatum subsp. breviaristatum Hordeum jubatum var. boreale Hordeum brachyantherum subsp. brachyantherum Critesion jubatum subsp. breviaristatum Hordeum jubatum subsp. brachyantherum Hordeum nodosum var. boreale
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024