TY - BOOK AU - Nabhan, Gary Paul. ED - International Board for Plant Genetic Resources. TI - Wild phaseolus ecogeography in the Sierra Madre Occidental, México: : areographic techniques for targeting and conserving species diversity T2 - Systematic and ecogeographic studies on crop genepools PY - 1990/// CY - Rome PB - IBPGR KW - Fitogeografía KW - Frijol KW - Germoplasma KW - México ER -