Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Clark, C. & D. W. KYHOS. 1980. Specific status for Encelia californica var asperifolia (Compositae: Heliantheae). Madroño 27: 48. http://www.tropicos.org/Reference/11475
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