| Sphaeralcea arenaria Wooton & Standl. | Sphaeralcea hastulata A.Gray |
| Sphaeralcea arizonica A.Heller ex Rydb. | Sphaeralcea parvifolia A.Nelson |
| Sphaeralcea creeana (Graham) Sprague & Sandwith | Sphaeralcea coccinea (Nutt.) Rydb. |
| Sphaeralcea crispifolia (Cav.) Baker f. | Neobaclea crispifolia (Cav.) Krapov. |
| Sphaeralcea dissecta (Nutt.) Rydb. | Sphaeralcea coccinea (Nutt.) Rydb. |
| Sphaeralcea glabrescens Wooton & Standl. | Sphaeralcea hastulata A.Gray |
| Sphaeralcea marginata York ex Rydb. | Sphaeralcea parvifolia A.Nelson |
| Sphaeralcea martii Cockerell | Sphaeralcea hastulata A.Gray |
| Sphaeralcea munroana subrhomboidea (Rydb.) Kearney | Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |
| Sphaeralcea pumila Wooton & Standl. | Sphaeralcea hastulata A.Gray |
| Sphaeralcea rusbyi gilensis Kearney | Sphaeralcea rusbyi A.Gray |
| Sphaeralcea simulans Wooton & Standl. | Sphaeralcea hastulata A.Gray |
| Sphaeralcea subhastata J.M.Coult. | Sphaeralcea hastulata A.Gray |
| Sphaeralcea subrhomboidea Rydb. | Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |