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.
- Robson, N. K. B. 1990. Studies in the genus Hypericum L. (Guttiferae). 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys. Bull. Brit. Mus. (Nat. Hist.), Bot. 20(1): 1–151. http://www.tropicos.org/Reference/24483
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