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on volcanic rhyolitic tuff gravels in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of a new paved highway to Batopilas
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on volcanic rhyolitic tuff gravels in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of a new paved highway to Batopilas
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on volcanic rhyolitic tuff gravels in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of a new paved highway to Batopilas
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on volcanic rhyolitic tuff gravels in lower canyon. This site is likely destroyed or no longer easily accessible due to construction of a new paved highway to Batopilas
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Plants at base of vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Fraxinus greggii, Diospyros texana, Senna lindheimeriana, Karwinskia humboldtiana,Cardiospermum corindum
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Foliage view. Plants at base of vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Fraxinus greggii, Diospyros texana, Senna lindheimeriana, Karwinskia humboldtiana,Cardiospermum corindum
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Plants at base of vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Fraxinus greggii, Diospyros texana, Senna lindheimeriana, Karwinskia humboldtiana,Cardiospermum corindum
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in calcareous soil and gravel along edge of arroyo drainage at base of low limestone hillside, with Lippia, Clematis, Ibervillia, Salvia ballotifolia
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in calcareous soil and gravel along edge of arroyo drainage at base of low limestone hillside, with Lippia, Clematis, Ibervillia, Salvia ballotifolia
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Patrick J. Alexander.
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Patrick J. Alexander.
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Patrick J. Alexander.