scales as long as perigynia, perig strongly scabrous on upper margins
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Krohn & Schultz
117
1992-07-16
USA, Arizona, Coconino County, Navajo Army Depot: DMC (4)26900/(38)95300. 11th Brigade Signal Corps Site; 2.3km W of Elsie Spring, 2.5 km NW of Tappen Spring.
Plant Inventory & Determination by Center for Ecological Management of Military Lands (CEMML), Department of Forest Sciences, Colorado State University, Fort Collins.