Helianthus pauciflorus subsp. subrhomboideus (Rydb.) O. Spring & E. E. Schill.
Asteraceae
Tom Schweich (8/29/2019)
Tom Schweich
2223
2019-08-29
8/29/2019
United States of America, Colorado, Jefferson, Golden, Lippincott Property. Northernmost Jefferson County, parcel jointly owned by Jefferson County Open Space and City of Boulder OSMP, southwest segment of parcel, nearly up to the railroad tracks, 22.6 km. north northwest of the GNIS location of Golden.