Acer opalus subsp. obtusatum (Willd.) Gams in Hegi, Ill. Fl. Mitt.-Eur. 5: 293. 1924
Acer opalus subsp. obtusatum in Hegi, Ill. Fl. Mitt.-Eur. 5: 293. 1924
is new combination for Acer obtusatum, Sp. Pl. 4: 984. 1806
Acer opalus subsp. obtusatum in Hegi, Ill. Fl. Mitt.-Eur. 5: 293. 1924