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near Patagonia, Arizona, September 2010, on dry hillside,
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Tucson Mountains, Saguaro National Park West. April 18, 2010
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near Patagonia, Arizona, September 2010
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April 18, 2010, Tucson Mountains, Saguaro National Park West
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near Patagonia, Arizona, September 2010
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Tucson Mountains, Saguaro National Park West, April 18, 2010
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near Patagonia, Arizona, September 2010
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May 7, 2010. Tucson Arizona
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May 7, 2010. Tucson, Arizona
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May 7, 2010. Tucson Arizona
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April 18, 2010, Tucson Mountains, Saguaro National Park West
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.
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annuals at roadside in reddish sandy soil and calcareous gravels.