| Brickellia spinulosa (A. Gray) A. Gray, 1852 |
| Brickellia spinulosa var. asperata B.L. Rob., 1917 |
| Brickellia spinulosa var. spinulosa (A. Gray) A. Gray, 1852 |
| Brickellia squamulosa A. Gray, 1879 |
| Brickellia squarrosa B.L. Rob. & Seaton, 1893 |
| Brickellia squarrosa var. oligadena B.L. Rob., 1917 |
| Brickellia squarrosa var. squarrosa B.L. Rob. & Seaton, 1893 |
| Brickellia stolonifera B.L. Turner, 1982 |
| Brickellia subauriculata (B.L. Rob.) Nesom, 2022 |
| Brickellia subsessilis B.L. Rob., 1917 |
| Brickellia subuligera (S. Schauer) B.L. Turner, 1991 |
| Brickellia tenuiflora (DC.) D.J. Keil & Pinkava, 1976 |
| Brickellia thyrsiflora A. Gray, 1879 |
| Brickellia tomentella A. Gray, 1852 |
| Brickellia undonis M.E. Jones, 1935 |
| Brickellia urolepis S.F. Blake, 1942 |
| Brickellia venosa (Wooton & Standl.) B.L. Rob., 1917 |
| Brickellia verbenacea (Greene) B.L. Rob., 1917 |
| Brickellia vernicosa B.L. Rob., 1901 |
| Brickellia veronicifolia (Kunth) A. Gray, 1852 |