Washington State Highway SR 14
from US Highway 97 east to Alderdale Road then west along Sixprong Road to Roosevelt Grade Road
April 18 and April 25, 2010
* Cheatgrass: Bromus tectorum
* Bulbous Bluegrass: Poa bulbosa
* Douglas' Cluster Lily: Triteleia grandiflora ssp. grandiflora
* Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii
* Western Blue Flag: Iris missouriensis - Blooming in moist areas at Roosevelt, WA
* Northern Buckwheat: Eriogonum compositum var. leianthum
Snow Buckwheat: Eriogonum niveum
Rock Buckwheat: Eriogonum sphaerocephalum
Strict Buckwheat: Eriogonum strictum (var. ?)
* Thyme-leaf Buckwheat: Eriogonum thymoides
Greasewood: Sarcobatus vermiculatus - Growing in low areas with ashy, alkaline soil along Sixprong Road.
* Miner's Lettuce: Claytonia perfoliata (ssp. ?)
* Franklin's Sandwort: Eremogone franklinii var. franklinii
* Jagged Chickweed: Holosteum umbellatum
* Spring Whitlow-grass: Draba verna
* Pale Wallflower: Erysimum occidentale
* Tumble Mustard: Sisymbrium altissimum
* Thick-leaf Thelypody: Thelypodium laciniatum var. laciniatum
* Thick-leaf Thelypody: Thelypodium laciniatum var. streptanthoides - Reddish-purple flowered racemes covered by hordes of native bees and gray hairstreaks.
* Many-flowered Thelypody: Thelypodium milleflorum - In ashy, alkaline soils along Alderdale and Sixprong Roads.
* Fringepods: Thysanocarpus curvipes
* Antelope Bitterbrush: Purshia tridentata
* Hairy Milkvetch: Astragalus inflexus
Woollypod Milkvetch: Astragalus purshii (var. ?) - Woolly pods present.
* Yakima Milkvetch: Astragalus reventiformis
* The Dalles Milkvetch: Astragalus sclerocarpus
* Curvepod Milkvetch: Astragalus speirocarpus
* Columbia Milkvetch: Astragalus succumbens
* Spurred Lupine: Lupinus arbustus
* Hybrid Lupine: Lupinus leucophyllus x sericeus - Beginning to bloom.
* Soft Lupine: Lupinus sulphureus ssp. subsaccatus
Lanceleaf Scurfpea: Psoralidium lanceolatum
* Filaree: Erodium cicutarium
* Munro's Globemallow: Sphaeralcea munroana ssp. munroana
* Whitestem Blazing Star: Mentzelia albicaulis
Blazing Star: Mentzelia laevicaulis var. laevicaulis
* Pungent Desert Parsley: Lomatium grayi
* Desert Parsley: Lomatium tamanitchii
* Indian-parsnip: Pteryxia terebinthina var. foeniculaceus
* Shy Gilia: Gilia sinuata
* Longleaf Phlox: Phlox longifolia - large swaths of pink covering much of the more naturalized ground.
* Lineleaf Phacelia: Phacelia linearis
* Tarweed Fiddleneck: Amsinckia lycopsoides
* Rigid Fiddleneck: Amsinckia retrorsa
* Cockscomb Cryptantha: Cryptantha celosioides
* Purple Sage: Salvia dorrii
* Thompson's Paintbrush: Castilleja thompsonii - Amidst sagebrush along Alderdale Road.
* Common Monkeyflower: Mimulus guttatus
* Sand Penstemon: Penstemon acuminatus var. acuminatus
* Whited's Penstemon: Penstemon eriantherus var. whitedii
* Shrubby Bedstraw: Galium multifflorum
* Manroot: Marah oreganus
* White Plectritis: Plectritis macrocera
* Yarrow: Achillea millefolium
* Annual Agoseris: Agoseris heterophylla
Big Sagebrush: Artemisia tridentata (ssp. vaseyana ?)
* Carey's Balsamroot: Balsamorhiza careyana
Wavyleaf Thistle: Cirsium undulatum
Gray Rabbitbrush: Ericameria nauseosa var. speciosa
Columbia Goldenweed: Ericameria resinosa
* Threadleaf Fleabane: Erigeron filifolius
* Desert Yellow Daisy: Erigeron linearis
* Cushion Fleabane: Erigeron poliospermus var. poliospermus - Including plants with lavender, white, or canary-yellow rays.
Match Brush: Gutierrezia sarothrae
* Cusick's Sunflower: Helianthus cusickii
* Narrowleaf Goldenweed: Nestotus stenophyllus - Blooming atop the highlands on the north side of the Columbia River to the east of Rock Creek.