| Brickellia cedrosensis Greene | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| Brickellia cumingii Klatt | Heterotheca oregona (Nutt.) Shinners trib. Astereae |
| Brickellia humilis (Greene) A.Nelson | Brickellia oblongifolia Nutt. trib. Eupatorieae |
| Brickellia microphylla Hieron. | Baccharis tricuneata (L.f.) Pers. trib. Astereae |
| Brickellia mohavensis A.Gray | Brickellia oblongifolia Nutt. trib. Eupatorieae |
| Brickellia watsonii B.L.Rob. | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |