| Brickellia brandegeei B.L. Rob., 1917 |
| Brickellia brevipes (B.L. Rob.) Morales-Gard., Villaseñor & S. Valencia, 2023 |
| Brickellia californica (Torr. & A. Gray) A. Gray, 1849 |
| Brickellia californica var. californica (Torr. & A. Gray) A. Gray, 1849 |
| Brickellia californica var. lobulata B.L. Rob., 1917 |
| Brickellia californica var. reniformis (A. Gray) B.L. Rob., 1917 |
| Brickellia cardiophylla B.L. Rob., 1901 |
| Brickellia cavanillesii (Cass.) A. Gray, 1852 |
| Brickellia cayucensis M.E. Jones, 1935 |
| Brickellia cedrosensis Greene, 1883 |
| Brickellia chlorolepis (Wooton & Standl.) Shinners, 1971 |
| Brickellia coahuilensis (A. Gray) Harc. & Beaman, 1967 |
| Brickellia coixtlahuaca B.L. Turner, 2010 |
| Brickellia colimae Rose, 1895 |
| Brickellia conduplicata (B.L. Rob.) B.L. Rob., 1917 |
| Brickellia corymbosa (DC.) A. Gray, 1852 |
| Brickellia corymbosella Nesom, 2022 |
| Brickellia coulteri A. Gray, 1852 |
| Brickellia coulteri var. adenopoda (B.L. Rob.) B.L. Turner, 1990 |
| Brickellia coulteri var. brachiata (A. Gray) B.L. Turner, 1990 |