| Malacothrix californica DC. |
Accepted |
7 |
| Malacothrix clevelandii A. Gray |
Accepted |
7 |
| Malacothrix coulteri Harv. & Gray ex Harv. & A. Gray |
Accepted |
7 |
| Malacothrix fendleri A. Gray |
Accepted |
7 |
| Malacothrix floccifera (DC.) S. F. Blake |
Accepted |
7 |
| Malacothrix foliosa A. Gray |
Accepted |
7 |
| Malacothrix glabrata (A. Gray) A. Gray |
Accepted |
7 |
| Malacothrix incana (Nutt.) Torr. & A. Gray |
Accepted |
7 |
| Malacothrix indecora Greene |
Accepted |
7 |
| Malacothrix junakii W. S. Davis |
Accepted |
14 |
| Malacothrix phaeocarpa W. S. Davis |
Accepted |
7 |
| Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
Accepted |
9 |
| Malacothrix similis W. S. Davis & P. H. Raven |
Accepted |
14 |
| Malacothrix sonchoides (Nutt.) Torr. & A. Gray |
Accepted |
7 |
| Malacothrix sonorae W. S. Davis & P. H. Raven |
Accepted |
7 |
| Malacothrix squalida Greene |
Accepted |
14 |
| Malacothrix stebbinsii W. S. Davis & P. H. Raven |
Accepted |
14 |
| Malacothrix torreyi A. Gray |
Accepted |
7 |
| Malacothrix xanti A. Gray |
Accepted |
9 |
| Malacothrix platyphylla A. Gray |
Synonym of Atrichoseris platyphylla (A. Gray) A. Gray |
9 |
| Malacothrix coulteri var. cognata Jeps. |
Synonym of Malacothrix coulteri Harv. & Gray ex Harv. & A. Gray |
7 |
| Malacothrix foliosa subsp. foliosa |
Synonym of Malacothrix foliosa A. Gray |
7 |
| Malacothrix californica var. glabrata A. Gray ex D. C. Eaton |
Synonym of Malacothrix glabrata (A. Gray) A. Gray |
7 |
| Malacothrix saxatilis var. arachnoidea E. W. Williams |
Synonym of Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
9 |
| Malacothrix saxatilis var. commutata (Torr. & A. Gray) Ferris |
Synonym of Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
9 |
| Malacothrix saxatilis var. implicata (Eastw.) H. M. Hall |
Synonym of Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
9 |
| Malacothrix saxatilis var. saxatilis |
Synonym of Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
9 |
| Malacothrix saxatilis var. tenuifolia (Nutt.) A. Gray |
Synonym of Malacothrix saxatilis (Nutt.) Torr. & A. Gray |
9 |
| Malacothrix sonchoides (Nutt.) Torr. & Gray |
Synonym of Malacothrix sonchoides (Nutt.) Torr. & A. Gray |
7 |
| Malacothrix xanti Gray |
Synonym of Malacothrix xanti A. Gray |
9 |