Polygonum arenastrum subsp. caspicum (Kom.) Tzvelev, Fl. Vostočnoj Evropy 9: 146. 1996
Polygonum arenastrum subsp. caspicum, Fl. Vostočnoj Evropy 9: 146. 1996
is new combination for Polygonum caspicum, Fl. USSR 5: 628. 1936
Polygonum arenastrum subsp. caspicum, Fl. Vostočnoj Evropy 9: 146. 1996