Rosa collaris Rydb. =
Annotated by W. H. Lewis, 2014. Remarks: R. gymnocarpa subsp. helleri x R. woodsii subsp. ultramontana

Idaho: Valley County: Sylvan Beach community on west side of Payette Lake north McCall, north end of Sylvan Creek Road at Sylvan crossing, edge of understory of mixed conifer forest, granitic substrate.
44.955531° N, 116.097599° W
Datum: WGS 84. Uncertainty: 327 meters. Coordinate Source: GeoLocate.
Local thicket, to 2 m tall; sepals persistent (a-f = putatively different plants.)

Barbara Ertter 182929, Sep 3, 2003
With Hossein Lessani
CIC, Accession: 54709