The record derives from TICA
(data supplied on )
which reports it as a synonym (record
E9ED5B81-3DD3-42D6-9318-35400ADE6097) with original publication details: "Syn. Fl. Colorado 56. 1874 U. S. Dept. Interior, Misc. Publ. no 4" 56 1874.
Full publication details for this name can be found in IPNI:
This name was in version 1 of The Plant List, record gcc-28803, and has not been changed.