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annual on low hillside slope in coarse gravels of silty limestone
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on gypseous clays topped by ashy volcanic silty soil and lag gravels
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on gypseous clays topped by ashy volcanic silty soil and lag gravels
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on low hills of eroded gypseous, shaley Cretaceous limestone with Stenandrium barbatum, Amsonia longiflora, Thymophylla acerosa, Ariocarpus fissuratus, Xyloriza wrightii, Nama havardii, Polygala macrdenia, Nerisyrenia camporum, Anulocaulis leiosolenus.
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on silt/sands of arroyo bottom with other winter annuals including Nerisyrenia camporum
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on silt/sands of arroyo bottom with other winter annuals including Nerisyrenia camporum
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on silt/sands of arroyo bottom with other winter annuals including Nerisyrenia camporum
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on silt/sands of arroyo bottom with other winter annuals including Nerisyrenia camporum
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on gypseous clays topped by silts and gravels with Pertyle vaseyi, Psathyrotopsis scaposa, Oligomeris linifolia
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