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long vine draping volcanic rhyolitic tuff cliff face in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of the new paved highway to Batopilas
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plants on volcanic tuff soil/gravel accumulation along river bank in canyon bottom plant.
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long vine draping volcanic rhyolitic tuff cliff face in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of the new paved highway to Batopilas
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