Hymenoxys acaulis (Pursh) K.F.Parker accepted as Tetraneuris acaulis (Pursh) Greene (original description)
Hymenoxys acaulis var. arizonica (Greene) K.F.Parker accepted as Tetraneuris acaulis var. arizonica (Greene) K.F.Parker (original description)
Hymenoxys acaulis var. caespitosa (A.Nelson) K.F.Parker accepted as Tetraneuris acaulis var. caespitosa A.Nelson (original description)
Hymenoxys acaulis var. glabra (A.Gray) K.F.Parker accepted as Tetraneuris herbacea Greene (original description)
Hymenoxys acaulis var. ivesiana (Greene) K.F.Parker accepted as Tetraneuris ivesiana Greene (original description)
Hymenoxys argentea (A.Gray) K.F.Parker accepted as Tetraneuris argentea (A.Gray) Greene (original description)
Hymenoxys bigelovii (A.Gray) K.F.Parker (original description)
Hymenoxys brandegeei (Porter ex A.Gray) Porter ex K.F.Parker (original description)
Hymenoxys grandiflora (Torr. & A.Gray ex Torr. & A.Gray) K.F.Parker (original description)
Hymenoxys scaposa (DC.) K.F.Parker accepted as Tetraneuris scaposa (DC.) Greene (original description)
Hymenoxys scaposa var. linearis (Nutt.) K.F.Parker accepted as Tetraneuris scaposa var. scaposa (DC.) Greene (original description)
Hymenoxys torreyana (Nutt.) K.F.Parker accepted as Tetraneuris torreyana (Nutt.) Greene (original description)
Madia minima (A.Gray) D.D.Keck accepted as Hemizonella minima (A.Gray) A.Gray (original description)