* Taper-tipped Onion: Allium accuminatum - A few in bloom at lower elevations, many with well-formed buds.
* Bicolored Harvest Lily: Triteleia var. howellii - In bloom but going out of bloom at lower elevations.
Pale-anthered Glacier Lily: Erythronium grandiflorum var. pallidum - Pods are developing.
Yellow Bells: Fritillaria pudica - Pods well-developed.
* False Solomon Seal: Maianthemum racemosum ssp. amplexicaule - In bloom only amongst the shrubs on the upper slopes of the north side of the summit.
* Heart-leaf Buckwheat (both the yellow and white forms): Eriogonum compositum var. compositum - Both white- and yellow-flowered forms.
* Scabland Wild Buckwheat: Eriogonum sphaerocephalum var. sublineare - A few with bright reddish flower buds.
* Miner's Lettuce: Claytonia perfoliata
* Bitterroot: Lewisia rediviva -
Pale Montia: Montia exigua (M. spathulata) - Mostly past bloom.
* Franklin's Sandwort: Arenaria franklinii var. franklinii -
* Upland Larkspur: Delphinium nuttallianum
* Sickle-pod Rock Cress: Boechera atrorubens - Both in bloom and with well-developed fruits.
Douglas' Draba: Cusickiella douglasii
Scale Pod: Idahoa scapigera -Pods only.
Dagger Pod: Phoenicaulis cheiranthoides
Fringe Pod: Thysanocarpus curvipes - Not in bloom, but lots of ripe seed pods.
* Lance-leaved Stonecrop: Sedum lanceolatum - Flower buds forming.
* Small-flowerd Prairie Star: Lithophragma parviflorum
* Hawthorn: Crataegus sp. -
* Yakima Milk-vetch: Astragalus reventiformis - In fruit at lower elevations, in bloom atop the ridge.
* Columbia Gorge Broad-leaf Lupine: Lupinus latifolius var. latifolius (formerly var. thompsonianus) - Beginning bloom.
* Spurred Lupine: Lupinus arbustus
* Whitish Lupine: Lupinus sulphureus var. bingenensis
* Big-head Clover: Trifolium macrocephalum - (bloomed out below, a few still in bloom near the summit)
* Filaree: Erodium cicutarium
* Fern-leaved Desert Parsley: Lomatium dissectum (var. ?)
* Gray-leaf Desert Parsley: Lomatium macrocarpum - White flowered form, a few still in bloom.
* Bare-stem Desert Parsley: Lomatium nudicaule - A few in bloom near the summit.
Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum
* Nine-leaf Desert Parsley: Lomatium triternatum var. triternatum
Watson's Desert Parsley: Lomatium watsonii - Only in seed.
* Columbia Frasera: Frasera albicaulis var. nitida - In bloom below.
* Midget Phlox: Microsteris gracilis - A few in bloom.
* Hood's Phlox: Phlox hoodii- Moderate bloom above.
* Showy Phlox: Phlox speciosa- Moderate bloom.
* Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii - A few in bloom only in the oak forest on the north side of the Columbia Hills.
Woods Nemophila: Nemophila parviflora - Nearing bloom in the oak woods.
* Varied-leaf Phacelia: Phacelia heterophylla
* Linear-leaf Phacelia: Phacelia linearis
* Fiddleneck: Amsinckia retrorsa
* Common Cryptantha: Cryptantha intermedia
* Puccoon: Lithospermum ruderale
* Small-flowered Forget-me-not: Myosotis stricta
* Harsh Paintbrush: Castilleja hispida var. acuta
* Small-flowered Blue-eyed Mary: Collinsia parviflora - Fairly abundant in the oak forest.
* Glandular Penstemon: Penstemon glandulosa (var. ?) - Only in bloom along the north edge of the summit.
* Naked Broomrape: Aphyllon purpureum - In bloom only at the summit.
* Annual Bedstraw: Galium aparine
* White Plectritis: Plectritis macrocera
* Yarrow: Achillea millefolium - Nearing bloom at mid-slope.
* Annual Agoseris: Agoseris heterophylla
* Low Pussytoes: Antennaria dimorpha
* Stolonous Everlasting: Antennaria flagellaris - In bloom only at the summit.
* Hybrid Balsamroot: Balsamhoriza careyana x deltoidea
* Hoary False Yarrow: Chaenactis douglasii var. douglasii - One with opening blossoms near the summit, several in bloom along the Dalles Mt. Road.
* Western Hawksbeard: Crepis occidentalis
* Gold Stars: Crocidium multicaule - a few in bloom only at the summit.
* Woolly Sunflower: Eriophyllum lanatum var. integrifolium - One in bloom near the summit.
* False Agoseris: Microseris troximoides - A few still in bloom at the summit.
* Yellow Western Groundsel: Senecio integerrimus var. exaltus
1. Ravens
3. Horned Larks
4. Meadow Lark
7. Swifts