| Sphaeralcea incana Torr. ex A. Gray, 1849 |
| Sphaeralcea laxa Wooton & Standl., 1909 |
| Sphaeralcea leptophylla (A. Gray) Rydb., 1913 |
| Sphaeralcea orcuttii Rose, 1893 |
| Sphaeralcea palmeri Rose, 1890 |
| Sphaeralcea parvifolia A. Nelson, 1904 |
| Sphaeralcea pedatifida (A. Gray) A. Gray, 1887 |
| Sphaeralcea polychroma La Duke, 1985 |
| Sphaeralcea reflexa Fryxell, Valdés-Reyna & Villarreal, 1991 |
| Sphaeralcea rosea (DC.) G. Don, 1831 |
| Sphaeralcea schenckii Ulbr., 1932 |
| Sphaeralcea subhastata J.M. Coult., 1890 |
| Sphaeralcea sulphurea S. Watson, 1876 |
| Sphaeralcea umbellata (Cav.) G. Don, 1831 |
| Sphaeralcea vitifolia (Zucc.) Benth. & Hook. f. ex Hemsl., 1879 |
| Sphaeralcea wrightii A. Gray, 1853 |
| Sphaeroma Schltdl., 1837 |
| Sphaeroma floribundum Schltdl., 1827 |
| Sphaeroma umbellatum (Cav.) Schltdl., 1837 |
| Sterculia L., 1753 |