United States, California, Sonoma, Sonoma County: Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.)
North oak woodland, pond and spring. Aquatic perennial herb, corolla white, filaments purple; occasional. | Access Database Number (Deprecated): UCD161268