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Plants on open flat plain of a large bolson, in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub. Site is located just inside (ca. 50 m)the state line.
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Plants on reddish volcanic rhyolite of grassy mid-slope hillside with Bouteloua hirsuta, Dahilia scherffii, Salvia emaciata, Milla biflora
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Plants on reddish volcanic rhyolite of grassy mid-slope hillside with Bouteloua hirsuta, Dahilia scherffii, Salvia emaciata, Milla biflora
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Plants on reddish volcanic rhyolite of grassy mid-slope hillside with Bouteloua hirsuta, Dahilia scherffii, Salvia emaciata, Milla biflora
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in shady pine understory on low ridge of volcanic rhyolitic tuff gravels and coarse sands
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on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek.
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roadside in grassy, open clearing above arroyo on volcanic tuff substrate.
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mesic bottom of Canon Tararecua on volcanic tuff rubble on moist soils near extensive thermal springs flowing into Rio San Ignacio,
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mesic bottom of Canon Tararecua on volcanic tuff rubble on moist soils near extensive thermal springs flowing into Rio San Ignacio,
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mesic bottom of Canon Tararecua on volcanic tuff rubble on moist soils near extensive thermal springs flowing into Rio San Ignacio,
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mesic bottom of Canon Tararecua on volcanic tuff rubble on moist soils near extensive thermal springs flowing into Rio San Ignacio,
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Named for Alejandra Hinton. Plants on open flat plain of a large bolson, in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub. Site is located just inside (ca. 50 m)the state line.
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Named for Alejandra Hinton. Plants on open flat plain of a large bolson, in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub. Site is located just inside (ca. 50 m)the state line.
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Named for Alejandra Hinton. Plants on open flat plain of a large bolson, in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub. Site is located just inside (ca. 50 m)the state line.
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Named for Alejandra Hinton. Plants on open flat plain of a large bolson, in silty, slightly saline, calcareous clay soil, along the margin between a long abandoned agricultural area and undisturbed native scrub. Site is located just inside (ca. 50 m)the state line.
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Habitat view on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Yucca constricta, Heliotropium confertifolium, Vachellia rigidula, Karwinskia humboldtiana, Leucophyllum frutescens, Calliandra conferta, Forestieria angustifolia, Schaefferia cuneifolia, Ephedra antisyphilitica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Jatropha dioica, Krameria ramosissima.
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Habitat view on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Yucca constricta, Heliotropium confertifolium, Vachellia rigidula, Karwinskia humboldtiana, Leucophyllum frutescens, Calliandra conferta, Forestieria angustifolia, Schaefferia cuneifolia, Ephedra antisyphilitica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Jatropha dioica, Krameria ramosissima.
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Habitat view on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Yucca constricta, Heliotropium confertifolium, Vachellia rigidula, Karwinskia humboldtiana, Leucophyllum frutescens, Calliandra conferta, Forestieria angustifolia, Schaefferia cuneifolia, Ephedra antisyphilitica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Jatropha dioica, Krameria ramosissima.
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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.