Columbia River to north of Hanford Nuclear Reservation
The area visited is on sandy and gravelly slopes to the north side of Highway and along L Rd SW.
March 31, 2001
1. Franklin's Sandwort: Arenaria franklinii (leaves only)
*2. Tansy Mustard: Descurainia richardsonii
*3. Pale Wallflower: Erysimum occidentale
*4. Indian-parsnip: Cymopterus terebinthinus (Numerous)
*5. White Borage Cryptantha species
*6. White Plectritis: Plectritis macrocera