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in habitat on volcanic rhyolite tuff rubble just below cliffs at upper canyon rim. This old switchback road has now been replaced with a new paved highway to Batopilas that greatly limits access to many former rich roadside collecting sites in the canyon.
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in habitat on volcanic rhyolite tuff rubble just below cliffs at upper canyon rim. This site has been destroyed by a new paved highway to Batopilas that also limits easy access to many former rich roadside collecting sites in the canyon.
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in habitat on volcanic rhyolite tuff rubble just below cliffs at upper canyon rim. This site has been destroyed by a new paved highway to Batopilas that also limits easy access to many former rich roadside collecting sites in the canyon.
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upper rim of canyon on south facing hillside of volcanic tuff
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upper rim of canyon on south facing hillside of volcanic tuff
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upper rim of canyon on south facing hillside of volcanic tuff
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Habitat view of upper rim of canyon on south facing hillside of volcanic tuff, with Agave shrevei
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