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semi-woody shrub/perennial on steep slope of exposed cliff face in a 1/2 mile long, narrow, steep walled, dry, slot canyon cut in flat lying pale, blocky, limestone strata by a intermittent arroyo tributary of Fresnal Creek, and sheltering a rich diverse flora of the remote, poorly accessible region known as Hell's Half-acre.
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semi-woody shrub/perennial on steep slope of exposed cliff face in a 1/2 mile long, narrow, steep walled, dry, slot canyon cut in flat lying pale, blocky, limestone strata by a intermittent arroyo tributary of Fresnal Creek, and sheltering a rich diverse flora of the remote, poorly accessible region known as Hell's Half-acre.
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sub-shrubs along arroyo course in white limestone gravels, boulders and exposed low bedrock outcrops, with oak, mesquite, Dasylirion and Yucca.
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sub-shrubs along arroyo course in white limestone gravels, boulders and exposed low bedrock outcrops, with oak, mesquite, Dasylirion and Yucca.
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plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia
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plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia
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Foliage view. Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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Plants on vertical north face of roadcut in blocky Cretaceous limestone with Polygala lindheimeri, Heterotheca viscida, Lantana achyranthifolia, Fraxinus greggii, Diospyros texana,Senna lindheimeriana,Gaura calcicola, Karwinskia humboldtiana,Cardiospermum corindum
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on bare exposed limestone bluff above river with Vachellia rigidula, Karwinski humbdoltiana, Leucophyllum frutescens, Diospyros texana, Palafoxia riograndensis, Eriogonum havardii.
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