Actinella glabra Nutt.
Hymenoxys glabra (Nutt.) Shinners
Tetraneuris stenophylla Rydb.
Hymenoxys scaposa var. villosa Shinners
Hymenoxys scaposa var. linearis (Nutt.) K.F.Parker
Tetraneuris linearis Greene
Tetraneuris angustata Greene
Tetraneuris angustifolia Rydb.
Actinea scaposa var. angustifolia (Rydb.) Kittell
Actinea scaposa var. linearis B.L.Rob.
Actinella fastigiata A.Nelson
Actinea acaulis var. glabra (Nutt.) Cronquist
Actinella scaposa var. glabra (Nutt.) A.Gray
Actinella lanuginosa Buckley
Actinella scaposa var. linearis Nutt.
Actinella scaposa var. mutica A.Gray
Tetraneuris glabra Greene
Rydbergia glabrata Greene
Tetraneuris scaposa var. villosa (Shinners) Shinners
Tetraneuris fastigiata Greene
Tetraneuris scaposa var. linearis (Nutt.) K.F.Parker
Actinea angustifolia A.Nelson
Actinea linearis A.Nelson
Actinella acaulis var. glabra (Nutt.) A.Gray
Actinella linearis A.Nelson
Gaillardia roemeriana Scheele