Tetraneuris acaulis (Pursh) Greene; intermediate between var. arizonica and var. epunctata, det. Mark W. Bierner, 2003. Originally identified as Hymenoxys acaulis var. caespitosa. Handwritten note says H. a. var. arizonica!
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)