Silphium mohrii

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Silphium mohrii
Silphium mohrii.jpg

Vulnerable (NatureServe)[1]
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Silphium
Species: S. mohrii
Binomial name
Silphium mohrii

Silphium mohrii, known by the common names Mohr's rosinweed[2] and shaggy rosinweed, is a species of flowering plant in the Composite family. It is native to the Southeastern United States, where it is native only to northern Alabama, southern Tennessee, and extreme northwest Georgia.[3] It is native to prairie remnants and rocky limestone openings. Because of its restricted range and severely declined habitat, it is considered a vulnerable species.

It produces heads of yellow flowers in late summer.


  1. ^ "Silphium pinnatifidum". NatureServe. Retrieved 2015-03-17.
  2. ^ "Silphium mohrii". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 November 2015.
  3. ^ "Silphium mohrii". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 17 March 2015.