[Wildflower Bloom in Central and Eastern Washington: 2023]

Wildflower Bloom in Central and Eastern Washington

Grasslands on the North-facing Slopes of the Blue Mountains

from 2000' to about 4400'

(Between Pomeroy, WA and Asotin, WA)

June 16-18, 2023

Umatilla National Forest & Asotin Wildlife Area

A view east of grassland slopes on the north slope of the Blue Mountains between Pomeroy, WA and Asotin, WA.....June 17, 2023.

A view east across grassland slopes on the north slope of the Blue Mountains between Pomeroy, WA and Asotin, WA.....June 17, 2023.

Fragile Fern: Cystopteris fragilis

Douglas' Maple: Acer glabrum var. douglasii

Ponderosa Pine: Pinus ponderosa var. ponderosa

Black Cottonwood: Populus trichocarpa

Hairy Chess: Bromus commutatus

* Smooth Brome: Bromus inermis

Cheatgrass: Bromus tectorum

* Onespike Oatgrass: Danthonia unispicata

* Quackgrass: Elymus repens

* Idaho Fescue: Festuca idahoensis

* Prairie Junegrass: Koeleria macrantha

Nevada Bluegrass: Poa secunda ssp. juncifolia

* Bluebunch Wheatgrass: Pseudoroegneria spicata

North African Grass: Ventenata dubia

Cat Tails: Typha latifolia

Tolmie's Onion: Allium tolmiei - Past bloom.

Elegant Cat's Ear: Calochortus elegans var. elegans - Fruits forming.

Sagebrush Mariposa: Calochortus macrocarpus var. maculosus - In bud.

Yellow Bells: Fritillaria pudica - Fruits ready to spill seeds.

Panicle Deathcamas: Toxicoscordion paniculatum - Fruits forming.

* Bluedicks: Triteleia grandiflora var. grandiflora

* Parsnipflower Buckwheat: Eriogonum heracleoides

Lambsquarters: Chenopodium album

* Ballhead Sandwort: Eremogone congesta var. congesta

Oregon Catchfly: Silene oregana

Scouler's Catchfly: Silene scouleri

Spalding's Catchfly: Silene spaldingii

Wormleaf Stonecrop: Sedum stenopetalum ssp. stenopetalum

Pale Alyssum: Alyssum alyssoides ? - Fruits forming.

Tumblemustard: Sisymbrium altissimum

* Cut-leaf Thelypody: Thelypodium laciniatum

* Lava Alumroot: Heuchera cylindrica

* Mock Orange: Philadelphus lewisii

Wax Currant: Ribes cereum var. cereum

* Serviceberry: Amelanchier alnifolia

* Tall Cinquefoil: Drymocallis arguta

Prairie Smoke: Geum triflorum - Wispy fruits forming.

* Mallow Ninebark: Physocarpus malvaceus

* Graceful Cinquefoil: Potentilla gracilis (var. ?) - Leaflets cut less than half way to the midrib.

* Graceful Cinquefoil: Potentilla gracilis var. flabelliformis

* Sulphur Cinquefoil: Potentilla recta

Chokecherry: Prunus virginiana

* Nootka Rose: Rosa nutkana ssp. macdougallii

* Pearhip Rose: Rosa woodsii

Arthur's Milkvetch: Astragalus arthurii - Fruits forming.

Freckled Milkvetch: Astragalus lentiginosus var. lentiginosus - Fruits forming.

Blue Mountains Milkvetch: Astragalus reventus - Fruits forming.

Large-leaved Lupine: Lupinus polyphyllus var. prunophilus - Past bloom.

* Asotin Lupine: Lupinus sericeus var. asotinensis

* Sulphur Lupine: Lupinus sulphureus var. sulphureus

* Filaree: Erodium cicutarium

* Klamathweed: Hypericum perforatum

* Fireweed: Chamaenerion angustifolium

* Elkhorn Clarkia: Clarkia pulchella

Large-fruit Desert Parsley: Lomatium macrocarpum - Fruits forming.

Butterfly-loving Desert Parsley: Lomatium papilioniferum - Past bloom.

Nineleaf Desert Parsley: Lomatium triternatum

* Field Bindweed: Convolvulus arvensis

* Showy Milkweed: Asclepias speciosa

* Large-flowered Collomia: Collomia grandiflora

* Narrowleaf Collomia: Collomia linearis

* Midget Phlox: Microsteris gracilis - Fading out of bloom.

Spreading Phlox: Phlox diffusa - Past bloom.

* Long-leaf Phlox: Phlox longifolia - Fading out of bloom.

Yeti Phlox: Phlox solivaga - Past bloom.

Great Basin Nemophila: Nemophila breviflora - Past bloom.

* Narrowleaf Phacelia: Phacelia linearis

Puccoon: Lithospermum ruderale - Past bloom.

* Nettleleaf Horsemint: Agastache urticifolia var. urticifolia

* Narrow-leaved Skullcap: Scutellaria angustifolia ssp. angustifolia

* Harsh Paintbrush: Castilleja hispida (var. ?)

Yellow Paintbrush: Castilleja lutea (proposed purple-bracted form of Castilleja cusickii)

* Thompson's Paintbrush: Castilleja thompsonii - Fading out of bloom

* Thin-leaved Owlclover: Orthocarpus tenuifolius

Tapertip Penstemon: Penstemon attenuatus var. attenuatus - Past bloom.

* Hotrock Penstemon: Penstemon deustus var. deustus

* Moth Mullein: Verbascum blatteria

Common Mullein: Verbascum thapsus

Red Kittentails: Veronica rubra - Past bloom.

* Northern Bedstraw: Galium boreale

Teasel: Dipsacus fullonum (ex. D. sylvestris)

* Blue Elderberry: Sambucus cerulea

* Common Snowberry: Symphoricarpos albus var. laevigatus

* Yarrow: Achillea millefolium

* Large-flower Agoseris: Agoseris grandiflora

Lowy Pussytoes: Antennaria dimorpha

* Heartleaf Arnica: Arnica cordifolia

* Twin Arnica: Arnica sororia

Dragon Sagewort, Tarragon: Artemisia dracunculus

Intermediate Sagewort: Artemisia ludoviciana ssp. incompta

Arrowleaf Balsamroot: Balsamorhiza sagittata - Past bloom.

Serrate Balsamroot: Balsamorhiza serrata - Past bloom.

* Rough Eyelashweed: Blepharipappus scaber

* Wavyleaf Thistle: Cirsium undulatum

* Tapertip Hawksbeard: Crepis acuminata

* Foothill Daisy: Erigeron corymbosus

* Snake River Daisy: Erigeron disparipilis - Fading out of bloom.

* Eaton's Shaggy Fleabane: Erigeron eatonii var. villosus

Shaggy Fleabane: Erigeron pumilus var. intermedius - In bud.

* Blanketflower: Gaillardia aristata

* Rocky Mountain Sunflower: Helianthella uniflora var. douglasii

* Scouler's Hawkweed: Hieracium scouleri

Prickly Lettuce: Lactuca serriola

* Nodding Microseris: Microseris nutans

Scots Thistle: Onopordum acanthium

Western Groundsel: Senecio integerrimus var. exaltatus - Past bloom.

Canada Goldenrod: Solidago lepida var. salebrosa - In bud.

Salsify: Tragopogon dubius - Past bloom.


Paul Slichter