Nomenclatural adjustment per Tropicos, 2012 (28 Aug 2012)
Tropicos
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B. G. Phillips
s.n.
1973-05-21
May 21, 1973
A.M. Phillips, III
United States, Arizona, Coconino, Grand Canyon of the Colorado River; at the mouth of Granite Park Creek. Mile 209 L.; Lake Mead National Recreation Area