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volcanic boulder field on upper canyon terrace. One of 8 Salvia species found in this area
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on roadcut cliff face in rhyolitic tuff of side canyon on north rim of Barranca Batopilas. This and other pre-2013 collecting sites on this famous scenic descent into Barranca Batopilas are now largely buried by construction of new paved highway to Batopilas.
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on roadcut cliff face in rhyolitic tuff of side canyon on north rim of Barranca Batopilas. This and other pre-2013 collecting sites on this famous scenic descent into Barranca Batopilas are now largely buried by construction of new paved highway to Batopilas.
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on roadcut cliff face in rhyolitic tuff of side canyon on north rim of Barranca Batopilas. This and other pre-2013 collecting sites on this famous scenic descent into Barranca Batopilas are now largely buried by construction of new paved highway to Batopilas.
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on roadcut cliff face in rhyolitic tuff of side canyon on north rim of Barranca Batopilas. This and other pre-2013 collecting sites on this famous scenic descent into Barranca Batopilas are now largely buried by construction of new paved highway to Batopilas.
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steep, sunny, west facing debris slope of volcanic rhyolite ash flow tuff, just below upper rim of Barranca Batopilas. 8 different species of Salvia noted in this upper canyon area.
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steep, sunny, west facing debris slope of volcanic rhyolite ash flow tuff, just below upper rim of Barranca Batopilas. 8 different species of Salvia noted in this upper canyon area.
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steep, sunny, west facing debris slope of volcanic rhyolite ash flow tuff, just below upper rim of Barranca Batopilas. 8 different species of Salvia noted in this upper canyon area.
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