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highway right-of-way crossing overgrazed basin flat with creosote scrub on silty calcareous soil.
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highway right-of-way crossing overgrazed basin flat with Yucca, mesquite, creosote scrub on silty calcareous soil. Scale of inflorescence provided by Dr. Richard Spellenberg estimated at 15' in length.
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on highway right-of-way crossing overgrazed basin flat with Yucca, mesquite, creosote scrub on silty calcareous soil.
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on highway right-of-way crossing overgrazed basin flat with Yucca, mesquite, creosote scrub on silty calcareous soil.
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plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.
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plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.
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plants in shallow calcareous soils and gravels on low hillside slope of white blocky Cretaceous limestone. Site represents an extreme eastern outlier of Chihuahuan Desert flora (Agave lechuguilla present) in transition to upland Tamaulipan brushland of Rio Grande plains.
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