| Haplopappus | genus of North and South American perennial herbs or shrubs with yellow flowers |
|---|---|
| Haplopappus | dark green erect herb of northwestern United States and southwestern Canada having stiff leaves in dense tufts and yellow flower heads |
| Haplopappus | annual of southern United States and Mexico having bristly leaves and pale yellow flowers |
| Haplopappus | slender perennial of western North America having weakly bristly leaves and yellow flower heads |