Thelypodium sagittatum (Nutt. ex Torr. & A. Gray) Endl. ex Walp. ssp. sagittatum
Annotated by Charles F. Williams, 2016. Sources: IMF. Remarks: ID'd with Janet Bala, Pam Reschke, Bob McCoy: USDA accepted ssp. sagittatum

Idaho: Custer County: Head of Little Lost River Valley, ca. 0.8 mi ESE of Barney Hot Springs. Elev. 1942 m.
44.265° N, 113.435° W
Coordinate Source: Specimen Label.
Hummocked alkaline seepage/wetlands, with Dasiphora. Rare; Sepals and petals light lavender with darker tips; Leaves auriculate cauline; Petioles of basal leaves have glabrous marginal hairs; anthers included, Stipitate short pedicels; siliques not beaked; short stipe, fruits torulose; Group IV glabrous except basal leaves; Petiole ciliate. Phenology: Flowers & Fruits.

Barbara Ertter 22520, Jun 17, 2016
With Pam Reschke and John Hunt
IDS, Accession: 2017.016, Barcode: IDS0070851