Persicaria amphibia (L.) Delarbre ssp. laevimarginata (Hultén) Soják.
Annotated by Charles F. Williams, 7 Mar 2013. Sources: IMF.

Idaho: Bear Lake County: Elk Valley. Large marsh just west of jct. FR 147 & 221. Site EV1. Elev. 7458 ft.
42.52828° N, 111.07613° W; T10S R46E S28
Datum: WGS 84. Uncertainty: 500 meters. Coordinate Source: GPS. Invalid coordinates (located outside county bounds).
Collected on small creek coming down from Spring Creek, and on rocky hillside. Associated with Geum, buttercups and sedges. Lvs large, pinnately-veined. Single terminal inflorescence. Phenology: Flowers.

Janet Bala 2012.93, Jul 14, 2012
With Ed Bala, Pam Reschke, Emma George, Alissa Salmore
IDS, Accession: 2012.008, Barcode: IDS0057883