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Tucson Arizona, Above the Santa Cruz River in a dry location
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August 2011, Sabino Creek, Santa Catalina Mountains, Arizona
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Sabino Creek, Santa Catalina Mountains, Arizona, August 2011
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Tucson Arizona, dry location above Santa Cruz River, desert scrub at about 750 m in elevation.
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mounding annuals on pale reddish quartz sands of an outlier of low semi-stabilized dunes, north of the active dune field in the Mdanos de Samalayuca Natural Protected Area.
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mounding annuals on pale reddish quartz sands of an outlier of low semi-stabilized dunes, north of the active dune field in the Mdanos de Samalayuca Natural Protected Area.
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developing fruit
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plants in calcareous gravels of a drainage swale between abandoned strip of old road pavement and base of gypseous limestone hillside at NW margin of the Sierra Parras with Peganum mexicana, Ditaxis neomexicana,Abutilon coahuilae, Senna pilosior.
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forked hairs!
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plants in calcareous gravels of a drainage swale between abandoned strip of old road pavement and base of gypseous limestone hillside at NW margin of the Sierra Parras with Peganum mexicana, Ditaxis neomexicana,Abutilon coahuilae, Senna pilosior.
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mounding annuals on pale reddish quartz sands of an outlier of low semi-stabilized dunes, north of the active dune field in the Mdanos de Samalayuca Natural Protected Area.
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on deep sands of elevated barrier dunes fronting ocean side shoreline with Ipomoea pes-caprae, Canavalia rosea, Ipomoea imperati, Uniola paniculata, Chamaecrista fasciculata, Croton punctatus,
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on deep sands of elevated barrier dunes fronting ocean side shoreline with Ipomoea pes-caprae, Canavalia rosea, Ipomoea imperati, Uniola paniculata, Chamaecrista fasciculata, Croton punctatus,
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on deep sands of elevated barrier dunes fronting ocean side shoreline with Ipomoea pes-caprae, Canavalia rosea, Ipomoea imperati, Uniola paniculata, Chamaecrista fasciculata, Croton punctatus,
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in habitat on deep sands of elevated barrier dunes fronting ocean side shoreline with Ipomoea imperati, Heterotheca subaxillaris, Amaranthus arenicola, Croton punctatus,
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on deep sands of elevated barrier dunes fronting ocean side shoreline with Ipomoea pes-caprae, Canavalia rosea, Ipomoea imperati, Uniola paniculata, Chamaecrista fasciculata, Croton punctatus