Penstemon radicosus A. Nelson
Annotated by Janet Bala, 6 Dec 2016. Sources: Intermountain Flora, and Holmgrens key to penstemon. Remarks: I.D. with Bob McCoy and Pam Reschke

Idaho: Butte County: Willow Springs Road. Flats along Willow Creek.. Site 4. Elev. 2076 m.
44.22982° N, 113.25366° W
Datum: WGS 84. Uncertainty: 4 meters. Coordinate Source: GPS.
Flats along Creek, with Pinus flexilus, Pseudotsuga menziesii, Juniperus, Artemisia tridentata ssp. tridentata, Populus tremuloides.Streamside. Stems on woody caudex, herbage retrosely to spreading-puberulent; basal leaves not developed, all the cauline leaves linear, somewhat revolute;corolla tube blue dorsally, white ventrally. Phenology: Flowers & Fruits.

James F. Smith 13409, Jun 18, 2016
With Allison Billmeyer, Reed Benkendorf, Sam West, Scott Montgomery
IDS, Accession: 2017.016, Barcode: IDS0070647