>>2787288Some studies indicate that up to 60-70% of all native flora in Arizona and California (more than 3,000 species in AZ and more than 5,000 in CA) are either medicinal or directly naturally edible or easily prepared. The drought hardiest crops and permaculture plants with high productivity known to man are also from Arizona and Sonora, Mexico (both only matched by the driest regions of Africa and Australia).
