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2013 California Academy of Sciences
CalPhotos
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colorful 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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colorful 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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colorful 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 coarse limestone soils of roadside crossing gently sloping out-wash plain
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on coarse limestone soils at roadside, crossing gently sloping out-wash plain
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on coarse limestone soils at roadside, crossing gently sloping out-wash plain
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on coarse limestone soils at roadside, crossing gently sloping out-wash plain
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among dense cover of winter ephemerals (Lupine, Nama, Perityle) on mixed volcanic gravels and sand of large arroyo drainage entering Rio Grande River
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among dense cover of winter ephemerals (Lupinus, Nama, Perityle) on mixed volcanic gravels and sand of large arroyo drainage entering Rio Grande River
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on low gravelly limestone slope
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NOTE: rays often uniformly reflex downward after anthesis and can dry in that position
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Early June 2010. Tucson Arizona. Next to Santa Cruz River.
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Feb 12, 2010. Found near Santa Cruz River near Ina Road in Tucson Arizona.
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flat badland plain with desert pavement of accumulated mixed gravels over calcareous silty/sandy substrate
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Feb 12, 2010. Found near Santa Cruz River near Ina Road in Tucson Arizona.
