Amberboa glauca subsp. biennis Iljin in Izv. Bot. Sada Akad. Nauk SSSR 30: 113. 1932
Amberboa glauca subsp. biennis in Izv. Bot. Sada Akad. Nauk SSSR 30: 113. 1932
is basionym for Amberboa biennis, Fl. Kavk. 4: 196. 1934
Amberboa glauca subsp. biennis in Izv. Bot. Sada Akad. Nauk SSSR 30: 113. 1932