Helictotrichon praeustum (Rchb.) Tzvelev in Novosti Sist. Vysš. Rast. 8: 67. 1971
Helictotrichon praeustum in Novosti Sist. Vysš. Rast. 8: 67. 1971
is new combination for Avena praeusta, Fl. Germ. Excurs. 140: 5. 1831
Helictotrichon praeustum in Novosti Sist. Vysš. Rast. 8: 67. 1971