Activities
Activity | Country/Region | Reference |
---|---|---|
Venereal | Mexico | Standley, Paul C. Trees and shrubs of Mexico. Contributions U.S. National Herbarium, vol. 23. Govt. Printing Office, Washington, D.C. |
Venereal | US | Krochmal, Arnold and Connie. 1973. A guide to the medicinal plants of the United States. Quadrangle/The N.Y. Times Book Co. |
Venereal | Mexico | Martinez, Maximino. 1969. Las Plantas Medinales de Mexico. |