| Brickellia cedrosensis | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| Brickellia cumingii | Heterotheca oregona (Nutt.) Shinners trib. Astereae |
| Brickellia humilis | Brickellia oblongifolia Nutt. trib. Eupatorieae |
| Brickellia mohavensis | Brickellia oblongifolia Nutt. trib. Eupatorieae |
| Brickellia watsonii | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |