| Holocarpha | |
|---|---|
| |
| Holocarpha macradenia | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Madieae |
| Subtribe: | Madiinae |
| Genus: | Holocarpha Greene 1897 |
Holocarpha is a small genus of flowering plants in the family Asteraceae. The genus contains four species of tarweeds, which are all endemic to California.[1]