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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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subshrub on sand over coarse weathering anhydrite gravels in drainage from low basal slope on hillside of interbedded gypsum & silty limestone (Castile Formation).
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small, woody based sub-shrub on grayish crust of weathered gypsum re-cementing gravels of anhydrite gypsum and calcareous shaley limestone substrate exposed on SW facing lower foothill slopes of the escarpment, with endemic Anulocaulis leiosolensis v. howardii, Mentzelia humilis v. guadalupensis, Nerisyrenia hypercorax.
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small, woody based sub-shrub on grayish crust of weathered gypsum re-cementing gravels of anhydrite gypsum and calcareous shaley limestone substrate exposed on SW facing lower foothill slopes of the escarpment, with endemic Anulocaulis leiosolensis v. howardii, Mentzelia humilis v. guadalupensis, Nerisyrenia hypercorax.
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small, woody based sub-shrub on grayish crust of weathered gypsum re-cementing gravels of anhydrite gypsum and calcareous shaley limestone substrate exposed on SW facing lower foothill slopes of the escarpment, with endemic Anulocaulis leiosolensis v. howardii, Mentzelia humilis v. guadalupensis, Nerisyrenia hypercorax.Note conspicuous pustular oil glands.
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small mounding, sub-shrubby perennial on a broad, gravelly ridge of platy Cretaceous limestone and shale. Needle-like foliage is aromatic.
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small mounding, sub-shrubby perennial on a broad, gravelly ridge of platy Cretaceous limestone and shale. Needle-like foliage is aromatic. Note pale orange pustular glands on phyllaries of flower buds
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small mounding, sub-shrubby perennial on a broad, gravelly ridge of platy Cretaceous limestone and shale. Needle-like foliage is aromatic.
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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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on low badland slopes and drainage rills in fractured gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Ariocarpus fissuratus, Echinocactus horizonthalonius, Nama havardii, Thymophylla acerosa, Dalea wrightii, Polygala macradenia, Nerisyrenia camporum.
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on silty gypseous clay and gravels on breaks of the Pecos River
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on silty gypseous clay and gravels on breaks of the Pecos River
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plants on south facing slope of thinly bedded silty limestone
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plants on south facing slope of thinly bedded silty limestone
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along highway right-of-way on low hillside slope of white chalky limestone
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along highway right-of-way on low hillside slope of white chalky limestone
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