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seep spring drainage cut in deep alluvial accumulation of weathered volcanic soil in canyon bottom
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roadside in drainage at base of roadcut cliff, rhyolitic tuff gravels
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roadside in drainage at base of roadcut cliff, rhyolitic tuff gravels
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roadside drainage swale, volcanic tuffaceous gravels
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roadside drainage swale, base of steep roadcut in volcanic ashflow (rhyolitic tuff)
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base of steep roadcut cliff with scattered seeps in layered volcanic ashflow (rhyolitic tuff)
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mesic canyon bottom in volcanic rhyolitic tuff
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exposed south facing bluff above road. Found with Bidens mollifolia, Salvia mexicana, Tricostemma arizonica, Pertiyle microcephala
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exposed south facing bluff above road. Found with Bidens mollifolia, Salvia mexicana, Tricostemma arizonica, Pertiyle microcephala
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exposed south facing bluff above road. Found with Bidens mollifolia, Salvia mexicana, Tricostemma arizonica, Pertiyle microcephala