Biodiversity and indigenous management of the endangered non-toxic germplasm of Jatropha curcas L. in the Totonacapan (Mexico), and the implications for its conservation

1. Vera-Castillo, Y.B.
2. Cuevas, J.A.
3. Valenzuela-Zapata, A.G.
4. Urbano, B.
5. González-Andrés, F.