Mohr's rosinweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Silphium
- species: Silphium mohrii
Washington, D. C.
Washington, D.C.
United States
Mohr's rosinweed Washington, D. C.