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.
- SPECIMEN BASED RECORD. Published protolog data. http://www.tropicos.org/Reference/9990002
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
- Huber-Morath, A. 1975. Achillea L. in Davis, P. 5: 224–252. In P. H. Davis Fl. Turkey & E. Aegean Isl. Edinburgh University Press, Edinburgh. http://www.tropicos.org/Reference/46080
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