| Brickellia brachiata A. Gray var. glabrata Rose | Brickellia glabrata (Rose) B. L. Rob. | | i | Brickellia brachiataA. Gray var.glabrata Rose | Brickellia glabrata(Rose) B. L. Rob. |
| Brickellia frutescens A. Gray | | a | | Brickellia frutescensA. Gray | |
| Brickellia glabrata (Rose) B. L. Rob. | | a | | Brickellia glabrata(Rose) B. L. Rob. | |
| Brickellia spinulosa A. Gray | | a | | Brickellia spinulosaA. Gray | |
| Brickellia atractyloides A. Gray | | a | | Brickellia atractyloidesA. Gray | |
| Brickellia chlorolepis (Wooton & Standl.) Shinners | Brickellia eupatorioides (L.) Shinners var. chlorolepis (Wooton & Standl.) B. L. Turner | | | Brickellia chlorolepis(Wooton & Standl.) Shinners | Brickellia eupatorioides(L.) Shinners var.chlorolepis (Wooton & Standl.) B. L. Turner |
| Brickellia eupatorioides (L.) Shinners | | a | | Brickellia eupatorioides(L.) Shinners | |
| Brickellia diffusa (Vahl) A. Gray | | a | | Brickellia diffusa(Vahl) A. Gray | |
| Brickellia veronicifolia (Kunth) A. Gray | | a | | Brickellia veronicifolia(Kunth) A. Gray | |
| Brickellia californica (Torr. & A. Gray) A. Gray | | a | | Brickellia californica(Torr. & A. Gray) A. Gray | |
| Brickellia oblongifolia Nutt. | | a | | Brickellia oblongifoliaNutt. | |
| Brickellia desertorum Coville | | a | | Brickellia desertorumCoville | |
| Brickellia brachyphylla (A. Gray) A. Gray | | a | | Brickellia brachyphylla(A. Gray) A. Gray | |
| Brickellia fendleri A. Gray | Brickelliastrum fendleri (A. Gray) R. M. King & H. Rob. | | | Brickellia fendleriA. Gray | Brickelliastrum fendleri(A. Gray) R. M. King & H. Rob. |
| Brickellia ambigens (Greene) A. Nelson | Brickelliastrum fendleri (A. Gray) R. M. King & H. Rob. | | | Brickellia ambigens(Greene) A. Nelson | Brickelliastrum fendleri(A. Gray) R. M. King & H. Rob. |
| Brickellia grandiflora (Hook.) Nutt. | | a | | Brickellia grandiflora(Hook.) Nutt. | |
| Brickellia longifolia S. Watson | | a | | Brickellia longifoliaS. Watson | |
| Brickellia longifolia S. Watson var. longifolia | | a | i | Brickellia longifoliaS. Watson var.longifolia | |
| Brickellia longifolia S. Watson var. multiflora (Kellogg) Cronquist | | a | i | Brickellia longifoliaS. Watson var.multiflora (Kellogg) Cronquist | |
| Brickellia multiflora Kellogg | Brickellia longifolia S. Watson var. multiflora (Kellogg) Cronquist | | | Brickellia multifloraKellogg | Brickellia longifoliaS. Watson var.multiflora (Kellogg) Cronquist |
| Brickellia laciniata A. Gray | | a | | Brickellia laciniataA. Gray | |
| Brickellia microphylla (Nutt.) A. Gray | | a | | Brickellia microphylla(Nutt.) A. Gray | |
| Brickellia spp. | | a | | Brickellia spp. | |
| Brickellia greenei A. Gray | | a | | Brickellia greeneiA. Gray | |
| Brickellia cylindacea A. Gray & Engelm. | | a | | Brickellia cylindaceaA. Gray & Engelm. | |
| Brickellia dentata (DC.) Sch. Bip. | | a | | Brickellia dentata(DC.) Sch. Bip. | |
| Brickellia oblongifolia Nutt. var. oblongifolia | | a | i | Brickellia oblongifoliaNutt. var.oblongifolia | |
| Brickellia oblongifolia Nutt. var. linifolia (D. C. Eaton) B. L. Rob. | | a | i | Brickellia oblongifoliaNutt. var.linifolia (D. C. Eaton) B. L. Rob. | |
| Brickellia linifolia D. C. Eaton | Brickellia oblongifolia Nutt. var. linifolia (D. C. Eaton) B. L. Rob. | | | Brickellia linifoliaD. C. Eaton | Brickellia oblongifoliaNutt. var.linifolia (D. C. Eaton) B. L. Rob. |
| Brickellia incana A. Gray | | a | | Brickellia incanaA. Gray | |
| Brickellia eupatorioides (L.) Shinners var. eupatorioides | | a | i | Brickellia eupatorioides(L.) Shinners var.eupatorioides | |
| Brickellia eupatorioides (L.) Shinners var. chlorolepis (Wooton & Standl.) B. L. Turner | | a | i | Brickellia eupatorioides(L.) Shinners var.chlorolepis (Wooton & Standl.) B. L. Turner | |
| Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners | | a | i | Brickellia eupatorioides(L.) Shinners var.corymbulosa (Torr. & A. Gray) Shinners | |
| Brickellia eupatorioides (L.) Shinners var. floridana (R. W. Long) B. L. Turner | | a | i | Brickellia eupatorioides(L.) Shinners var.floridana (R. W. Long) B. L. Turner | |
| Brickellia mosieri (Small) Shinners | Brickellia eupatorioides (L.) Shinners var. floridana (R. W. Long) B. L. Turner | | | Brickellia mosieri(Small) Shinners | Brickellia eupatorioides(L.) Shinners var.floridana (R. W. Long) B. L. Turner |
| Brickellia eupatorioides (L.) Shinners var. gracillima (A. Gray) B. L. Turner | | a | i | Brickellia eupatorioides(L.) Shinners var.gracillima (A. Gray) B. L. Turner | |
| Brickellia eupatorioides (L.) Shinners var. texana (Shinners) Shinners | | a | i | Brickellia eupatorioides(L.) Shinners var.texana (Shinners) Shinners | |