US Highway 197: Summit of Tygh Ridge Wasco County, WA T3S R13E S20 Compiled by Paul Slichter. Updated January 10, 2011 Northwest: http://science.halleyhosting.com

Common Name Scientific Name Family Chervil Anthriscus scandicina Apiaceae Canby's Desert Parsley Lomatium canbyi Apiaceae

Gorman's Desert Parsley Lomatium gormanii?, L. piperi? Apiaceae Gray-leaf Desert Parsley Lomatium macrocarpum Apiaceae Bare-stem Desert Parsley Lomatium nudicaule Apiaceae Nine-leaf Desert Parsley Lomatium triternatum v. Apiaceae Yarrow Achillea millefolium Asteraceae Low Pussytoes Antennaria dimorpha Asteraceae Sagebrush Artemisia sp. Asteraceae Carey's Balsamroot ? Balsamorhiza careyana v. intermedia Asteraceae Blepharipappus Blepharipappus scaber Asteraceae Tumble Knapweed Centaurea diffusa Asteraceae Hoary False Yarrow Chaenactis douglasii v. douglasii Asteraceae Gold Stars Crocidium multicaule Asteraceae Green Rabbitbrush Ericameria viscidiflora v. Asteraceae Yellow Desert Daisy Erigeron linearis Asteraceae Woolly Sunflower Eriophyllum lanatum v. integrifolium Asteraceae Blanketflower Gaillardia aristata Asteraceae Dandelion Taraxacum officinale Asteraceae Fiddleneck Amsinckia species Boraginaceae Corn Gromwell Lithospermum arvense Boraginaceae Puccoon Lithospermum ruderale Boraginaceae Slender Popcorn Flower Plagiobothrys tenellus Boraginaceae Scale Pod Idahoa scapigera Brassicaceae Dagger Pod Phoenicaulis cheiranthoides Brassicaceae Jim Hill Mustard Sisymbrium altissimum Brassicaceae Fringe Pod Thysanocarpus curvipes Brassicaceae Leiberg's Stonecrop Sedum leibergii Crassulaceae Stiff Milk-vetch ? Astragalus conjunctus v. conjunctus Fabaceae Howell's Milk-vetch ? Astragalus howellii Fabaceae Woolly-pod Milk-vetch Astragalus purshii v. Fabaceae Spurred Lupine Lupinus arbustus ? Fabaceae Velvet Lupine Lupinus leucophyllus Fabaceae Filaree Erodium cicutarium Geraniaceae Amethyst Disco? Peziza phillipsii Gloeophyllaceae (Pezizaceae) Wax Currant Ribes cereum var. cereum Grossulariaceae Tapertip Onion Allium accuminatum Liliaceae Green-banded Mariposa Lily Calochortus macrocarpus Liliaceae Yellow Bells Fritillaria pudica Liliaceae Bicolored Cluster Lily Triteleia grandiflora ssp. howellii Liliaceae Brown's Peony Paeoniaceae Idaho Fescue Festuca idahoensis Poaceae Sandberg's Bluegrass Poa sandbergii Poaceae Hood's Phlox Phlox hoodii Polemoniaceae Long-leaf Phlox Phlox longifolia Polemoniaceae Heart-leaf Buckwheat compositum v. compositum Heart-leaf Buckwheat Eriogonum compositum v. leianthum ? Polygonaceae Douglas' Buckwheat Eriogonum douglasii v. douglasii Polygonaceae Wyeth Buckwheat Eriogonum heracleoides v. heracleoides Polygonaceae Rock Buckwheat Eriogonum sphaerocephalum v. sublineare Polygonaceae Strict Buckwheat Eriogonum strictum v. proliferum Polygonaceae Upland Larkspur Delphinium nuttallianum Ranunculaceae Prairie Smoke Geum triflorum v. ciliatum Rosaceae Smooth Prairie Star Lithophragma glabrum Saxifragaceae Small-flowered Prairie Star Lithophragma parviflorum Saxifragaceae Small-flowered Blue-eyed Mary Collinsia parviflora Scrophulariaceae White Plectritis Plectritis macrocera Valerianaceae Gloeophyllaceae (Pezizaceae)