| Famille | Espèce végétale |
|---|
| ASTERACEAE | Artemisia tridentata Nuttall |
| ASTERACEAE | Bigelowia viscidiflora (Hooker) A. P. de Candolle |
| ASTERACEAE | Chrysothamnus nauseosus (Pallas) Britton |
| ASTERACEAE | Chrysothamnus nauseosus subsp. albicaulis (Nuttall) H.M. Hall & Clements |
| ASTERACEAE | Chrysothamnus nauseosus subsp. consimilis (Greene) H.M. Hall & Clements |
| ASTERACEAE | Chrysothamnus nauseosus subsp. gnaphalodes (Greene) H.M. Hall & Clements |
| ASTERACEAE | Chrysothamnus viscidiflorus (Hooker) Nuttall |
| ASTERACEAE | Chrysothamnus viscidiflorus subsp. stenophyllus (A. Gray) H.M. Hall & Clements |
| ASTERACEAE | Haplopappus bloomeri subsp. angustatus (A. Gray) H.M. Hall |
| ASTERACEAE | Haplopappus suffruticosus A. Gray |
