]> GH barcode-00994751 United States of America Colorado At the mouth of Hells Canyon near the Mantle Ranch on the Yampa River in the Yampa Canyon Holodiscus discolor var. dumosus (Nuttall ex Hooker) Dippel (Nuttall ex Hooker) Dippel 2020-02-14 16:08:14 Ced. L. Porter