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low ridge top opening in pine understory on shallow, gravelly, volcanic rhyolitic tuff soils
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Plants on coarse gravels of dark basalt at base of roadcut for new highway across the Sa. La Brena escarpment that largely obliterated the old, one lane railroad bed that provided access to the botanically rich, exciting and very scenic climb into the Madrean highlands
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low ridge top opening in pine understory on shallow, gravelly, volcanic rhyolitic tuff soils
-
Plants on coarse gravels of dark basalt at base of roadcut for new highway across the Sa. La Brena escarpment that largely obliterated the old, one lane railroad bed that provided access to the botanically rich, exciting and very scenic climb into the Madrean highlands
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low ridge top opening in pine understory on shallow, gravelly, volcanic rhyolitic tuff soils
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-
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low ridge top opening in pine understory on shallow, gravelly, volcanic rhyolitic tuff soils
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