Synonyms
Rhynchospora biceps Torr. ex A.Gray
Rhynchospora cephalantha var. attenuata Gale
Rhynchospora cephalantha f. antrorsa Gale
Rhynchospora cephalantha var. typica Fernald & Gale
Rhynchospora cephalantha f. controversa Gale
Rhynchospora intermedia Beyr. ex Kunth
Rhynchospora cephalantha var. pleiocephala Fernald & Gale
Rhynchospora cephalantha var. luxurians Boeckeler