Localities documented in Tropicos sources
Canada (North America)
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.
- Zohary, M. & D. Heller. 1984. Genus Trifolium i–x, 1–606. Israel Academy of Sciences and Humanities, Jerusalem. http://www.tropicos.org/Reference/1433
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