Photographer: Don Knoke
Date Photographed: 13 Jul 2006
Locality: U.S.A., Washington: Along Iron Horse State Park 4.5 miles northswest of Thorp Highway crossing, Kittitas ounty.
Elevation: [not provided]
Coordinates: [not provided]
Comments: Locally abundant in dry, sandy soil with some large rocks.
Voucher Specimen: Don Knoke 1137, WTU Herbarium