Silphium mohrii, known by the common names Mohr's rosinweed 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. 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.
- "Silphium pinnatifidum". NatureServe. Retrieved 2015-03-17.
- "Silphium mohrii". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 November 2015.
- "Silphium mohrii". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 17 March 2015.
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