Synonyms
Phippsia algida subsp. algidiformis (Harry Sm.) Á.Löve & D.Löve
Catabrosa concinna Th.Fr.
Phippsia concinna var. algidiformis (Harry Sm.) Holmb.
Phippsia algida subsp. concinna (Th.Fr.) K.Richt.
Catabrosa concinna subsp. algidiformis Harry Sm.
Phippsia algida var. algidiformis (Harry Sm.) B.Boivin
Phippsia × algidiformis (Harry Sm.) Tzvelev