on rock face, roadcut in volcanic rhyolite tuff at upper canyon rim. This site on the old gravel switchback road has now been destroyed by a new paved highway to Batopilas that also greatly limits access to many former rich roadside collecting sites in the canyon.
on Zanthoxylum fagara. In elevated brush covered coastal hummock of silty clayish loam along shoreline of brackish Oso Creek, in a minimally disturbed natural area of native vegetation
on Condalia warnockii in drainage along fence line on gypsum mineralized silty clay of bolson playa. Thanks to George Hinton for guiding us to this rich site.
on Condalia warnockii in drainage along fence line on gypsum mineralized silty clay of bolson playa. Thanks to George Hinton for guiding us to this rich site.
on Condalia warnockii in drainage along fence line on gypsum mineralized silty clay of bolson playa. Thanks to George Hinton for guiding us to this rich site.
