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on eroded volcanic mudflows, in deep natural drainage cuts crisscrossing the flat rock surface
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on eroded volcanic mudflows, in deep natural drainage cuts crisscrossing the flat rock surface
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on eroded volcanic mudflows, in deep natural drainage cuts crisscrossing the flat rock surface
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on eroded volcanic mudflows, in deep natural drainage cuts crisscrossing the flat rock surface
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on eroded volcanic mudflows, in deep natural drainage cuts crisscrossing the flat rock surface
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in rough potholes, cracks and basins in volcanic tuff just above river
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April 3, 2010. Sonoran Desert Museum, Tucson, Arizona
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in potholes, cracks and basins in volcanic tuff outcrops just above river bank
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White Point Nature Park, San Pedro, California.Jan 1, 2012
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no specimen collected
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no specimen collected
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no specimen collected
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