Erigeron nematophyllus, det. Cronquist, 1978. Originally identified as Erigeron engelmannii, a form with very narrow leaves and many slender caudices. Unsigned annot. label says Erigeron wilkenii.
For additional information about this specimen, please contact: J Ryan Allen, Biodiversity Informatics Manager (Database inquiries) (james.r.allen@colorado.edu)