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Rugels ragwort
Conservation status

Vulnerable (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Senecioneae
Genus: Rugelia
Shuttlew. ex Chapm.
Species: R. nudicaulis
Binomial name
Rugelia nudicaulis
Shuttlew. ex Chapm.

Rugelia nudicaulis, or Rugels ragwort, is the sole species of the genus Rugelia which blooms in summer, is a wildflower endemic to higher elevations in the Great Smoky Mountains.[1] It is a rare species in Tennessee.[2] It was first placed in the genus Senecio, then moved to Cacalia and finally placed in a genus of its own, Rugelia. Genetic diversity in this plant, assessed using allozymes, is so low that the species may not survive changing environmental conditions.[3]

See also[edit]


  • Horn, Cathcart, Hemmerly, Duhl, Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians, Lone Pine Publishing, (2005) p 372, ISBN 978-1-55105-428-5