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annual in calcareous soil of road right-of-way crossing gently sloping overgrazed grassland of the Playas bolson with Flourensia cernua, Isocoma tenuisecta.
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annual in calcareous soil of road right-of-way crossing gently sloping overgrazed grassland of the Playas bolson with Flourensia cernua, Isocoma tenuisecta.
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erect slender stemmed succulent on mixed alluvial gravels of pale limestone and reddish volcanic rhyolite on bank of shallow wash.
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on road right of way crossing overgrazed, shrub invaded grassland on basin fill flats of mixed limestone and volcanic gravels over calcareous soil. Note sheathed spines.
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n road right of way crossing overgrazed, shrub invaded grassland on basin fill flats of mixed limestone and volcanic gravels over calcareous soil. Distinctive fruit, ripe and unripened
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on road right of way crossing overgrazed, shrub invaded grassland on basin fill flats of mixed limestone and volcanic gravels over calcareous soil. Distinctive fruit, ripe and unripened
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on gravels among limestone ledges on low rocky hillside with Mariola.
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on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Schaefferia cuneifolia, Heliotropium confertifolium, Karwinskia humboldtiana, Leucophyllum frutescens,Aloysia macrostachya, Vachellia rigidula, Forestieria angustifolia, Ephedra antisyphilitica, Yucca constricta, Jatropha dioica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Calliandra conferta, Krameria ramosissima.
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on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Schaefferia cuneifolia, Heliotropium confertifolium, Karwinskia humboldtiana, Leucophyllum frutescens,Aloysia macrostachya, Vachellia rigidula, Forestieria angustifolia, Ephedra antisyphilitica, Yucca constricta, Jatropha dioica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Calliandra conferta, Krameria ramosissima.
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on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Schaefferia cuneifolia, Heliotropium confertifolium, Karwinskia humboldtiana, Leucophyllum frutescens,Aloysia macrostachya, Vachellia rigidula, Forestieria angustifolia, Ephedra antisyphilitica, Yucca constricta, Jatropha dioica, Sida tragiaefolia, Lippia graveolens, Guaiacum angustifolium, Calliandra conferta, Krameria ramosissima.
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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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