Carex sempervirens subsp. tristis (M. Bieb.) Kük. in Engler, Pflanzenr. 38: 569. 1909
Carex sempervirens subsp. tristis in Engler, Pflanzenr. 38: 569. 1909
is new combination for Carex tristis, Fl. Taur.-Caucas. 3: 615. 1819
Carex sempervirens subsp. tristis in Engler, Pflanzenr. 38: 569. 1909