Western Juniper: Juniperus occidentalis var. occidentalis

California White Fir: Abies concolor x Abies grandis

Ponderosa Pine: Pinus ponderosa

Poison Ivy: Toxicodendron rydbergii

Quaking Aspen: Populus tremuloides

Black Cottonwood: Populus trichocarpa

Willow: Salix sp.

* Creek Dogwood: Cornus sericea - Only blooming within several miles of the junction with US Highway 26.

* Meadow Foxtail: Alopecurus pratensis

* Cheatgrass: Bromus tectorum

Bottlebrush Squirreltail: Elymus elymoides (ssp. elymoides?)

* Idaho Fescue: Festuca idahoensis

Giant Wildrye: Leymus cinereus

* Bulbous Bluegrass: Poa bulbosa

* One-sided Bluegrass: Poa secunda

Beardless Bluebunch Wheatgrass: Pseudoroegneria spicata

* Hardgrass: Sclerochloa dura

Medusa Head: Taenitherum caput-medusae

Common Cattail: Typha latifolia

Stinging Nettles: Urtica dioica

* Douglas' Onion: Allium douglasii var. douglasii

* Tolmie's Onion: Allium tolmiei

* Panicle Deathcamas: Toxicoscordion paniculatum

* Western Blue Flag: Iris missouriensis

* Northern Buckwheat: Eriogonum compositum v. compositum

Slenderbush Buckwheat: Eriogonum microthecum v. microthecum

* Rock Buckwheat: Eriogonum sphaerocephalum (var. halimioides ?)

Strict Buckwheat: Eriogonum strictum var. proliferum

Greasewood: Sarcobatus vermiculatus

* Red Miner's Lettuce: Claytonia rubra ssp. rubra

* Jagged Chickweed: Holosteum umbellatum

* Western Clematis: Clematis ligusticifolia

* Upland Larkspur: Delphinium nuttallianum var. nuttallianum

* Creeping Oregon Grape: Berberis repens

* Hoary Pepperwort: Cardaria draba ?

* Blue Mustard: Chorispora tenella

Spring Whitlow Grass: Draba verna

* Rough Wallflower: Erysimum capitatum (v. ?)

* Clasping Pepperweed: Lepidium perfoliatum

* Western Bladderpod: Physaria occidentalis ssp. occidentalis

* Tall Tumblemustard: Sisymbrium altissimum

* Thickleaved Thelypody: Thelypodium laciniatum var. laciniatum

* Golden Spider Flower: Cleome platycarpa

* Lava Alumroot: Heuchera cylindrica (var. alpina ?)

* Small-flowered Prairie Star: Lithophragma parviflora

* Golden Currant: Ribes aureum

* Wax Currant: Ribes cereum v. cereum

Gooding's Gooseberry: Ribes velutinum var. goodingii

* Mock Orange: Philadelphus lewisii

Cusick's Serviceberry: Amelanchier alnifolia ( var. cusickii ?)

* Douglas Hawthorn: Crataegus douglasii (old var. douglasii) - Beginning to bloom.

* Shrubby Bitter Cherry: Prunus emarginata v. emarginata

* Common Chokecherry: Prunus virginiana v. melanocarpa

* Antelope Bitterbrush: Purshia tridentata

* Stiff Milkvetch: Astragalus conjunctus v. conjunctus

* Threadstalk Milkvetch: Astragalus filipes

* Pea: Lathyrus sp.

* Spurred Lupine: Lupinus arbustus

* Prairie Lupine: Lupinus lepidus var. aridus

Velvet Lupine: Lupinus leucophylllus

* Stony Ground Lupine: Lupinus saxosus

* Filaree: Erodium cicutarium

Snow Brush: Ceanothus velutinus

* Perennial Flax ?: Linum (perenne?)

Cheese Mallow: Malva moschatus

Oregon Checkermallow: Sidalcea oregana var. procera

* Whitestem Blazingstar: Mentzelia albicaulis

Annual Willowherb: Epilobium brachycarpum

* Burr Chervil: Anthriscus caucalis

Poison-hemlock: Conium maculatum

Cow Parsnip: Heracleum lanatum

* Cous: Lomatium cous

* Fernleaf Desert Parsley: Lomatium dissectum v. multifidum

* Glaucous Desert Parsley: Lomatium donnellii

* Pungent Desert Parsley: Lomatium grayi

* John Day Valley Lomatium: Lomatium minus

* Barestem Desert Parsley: Lomatium nudicaule

* Great Basin Desert Parsley: Lomatium triternatum ssp. platycarpum

Spreading Dogbane: Apocynum androsaemifolium (var. ?)

* Longleaf Phlox: Phlox longifolia

* Ballhead Waterleaf: Hydrophyllum capitatum var. capitatum

* Silverleaf Phacelia: Phacelia hastata var. hastata

Branched Phacelia: Phacelia ramosissima - In bud.

* Fiddleneck Tarweed: Amsinckia lycopsoides

* Cockscomb Cryptantha: Cryptantha celosioides

* Cryptantha: Cryptantha sp.

* Puccoon: Lithospermum ruderale - Beginning to bloom.

Henbit: Lamium amplexicaule

Catmint: Nepeta cataria ?

* Purple Sage: Salvia dorrii

Narrow-leaf Skullcap: Scutellaria angustifolia

* Desert Paintbrush: Castilleja chromosa

* Dalmatian Toadflax: Linaria dalmatica

* Common Monkeyflower: Mimulus guttatus

* Washinton Monkeyflower: Mimulus washingtonensis

Cutleaf Penstemon: Penstemon richardsonii

Common Mullein: Verbascum thapsus

* Cleavers: Galium aparine

Blue Elderberry: Sambucus mexicana

* White Plectritis: Plectritis macrocera

Teasel: Dipsacus fullonum

* Yarrow: Achillea millefolium

* Heartleaved Arnica: Arnica cordifolia

Rigid Sagebrush: Artemisia rigida

Big Sagebrush: Artemisia tridentata ssp. tridentata

* Carey's Balsamroot: Balsamorhiza careyana

* Arrowleaf Balsamroot: Balsamorhiza sagittata

* Blepharipappus: Blepharipappus scaber

* Bachelor Buttons: Centaurea cyanus

* Hoary False Yarrow: Chaenactis douglasii v. douglasii

* John Day Chaenactis: Chaenactis nevii

Canada Thistle: Cirsium arvense

Hawksbeard: Crepis sp. - In bud.

Gray Rabbitbrush: Ericameria nauseosum

Columbia Goldenweed: Ericameria resinosa

* Yellow Desert Daisy: Erigeron linearis

* Woolly Sunflower, Oregon Sunshine: Eriophyllum lanatum var. integrifolium

Matchbrush: Gutierrezia sarothrae

* Cusick's Sunflower: Helianthus cusickii

Prickly Lettuce: Lactuca serriola

* False Agoseris: Nothocalais troximoides

Scotch Thistle: Onopordum acanthium

Tall Butterweed: Senecio serra

* Common Dandylion: Taraxacum officinale

* Northern Mule's Ears: Wyethia amplexicaulis