| Brickellia parryi var. micacea B.L. Rob., 1917 |
| Brickellia parvula A. Gray, 1852 |
| Brickellia pavonii (A. Gray) B.L. Turner, 1991 |
| Brickellia pedunculosa (DC.) Harc. & Beaman, 1967 |
| Brickellia pendula (Schrad.) A. Gray, 1852 |
| Brickellia pendula var. pendula (Schrad.) A. Gray, 1852 |
| Brickellia pendula var. squarrosa (B.L. Rob. & Seaton) B.L. Rob., 1917 |
| Brickellia peninsularis Brandegee, 1903 |
| Brickellia peninsularis var. amphithalassa H. Rob. ex I.M. Johnst., 1931 |
| Brickellia peninsularis var. peninsularis Brandegee, 1903 |
| Brickellia petrophila B.L. Rob., 1901 |
| Brickellia pringlei A. Gray, 1882 |
| Brickellia problematica B.L. Turner, 1991 |
| Brickellia pulcherrima B.L. Rob., 1904 |
| Brickellia rapunculoides (DC.) McVaugh, 1972 |
| Brickellia recondita (McVaugh) D.J. Keil & Pinkava, 1976 |
| Brickellia reniformis A. Gray, 1852 |
| Brickellia reticulata (DC.) A. Gray, 1852 |
| Brickellia rhomboidea Greene, 1890 |
| Brickellia robinsoniana S.F. Blake, 1941 |