United States, Colorado, Minnehaha, Ruxton Brook, alt 2700 meters
38.849434 -104.959421 +-3036m.
Ad et inter radiculus udas Betulae occidentalis [= Betula occidentalis Hook.].
place_pub:Minnesota Botanical Studies 4:186. 1911; originally distributed in Cryptogamae Formationum Coloradensium, Century 3, No. 292. Anno 1907. as nom. nud.