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.
- Hartman, R. L. & B. E. Nelson. 1998. Novelties from North America north of Mexico: A 20-Year Vascular plant Diversity Baseline. 1–51 (mss.). http://www.tropicos.org/Reference/11044
- Welsh, S. L. 1983. A bouquet of daisies (Erigeron, Compositae). Great Basin Naturalist 43(2): 365–368. http://www.tropicos.org/Reference/16011
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