Synonyms
Arenaria calycantha Ledeb.
Alsine simcoei Howell
Alsine calycantha (Ledeb.) Rydb.
Stellaria calycantha subsp. pilosella Kozhevn.
Stellaria yesoalpina Nakai
Stellaria simcoei (Howell) C.L.Hitchc.
Stellaria borealis var. simcoei (Howell) Fernald
Stellaria calycantha var. simcoei (Howell) Fernald