[Wildflower Bloom Reports for the Columbia River Gorge of Oregon and Washington: 2016]

Wildflowers in Bloom in the Columbia River Gorge of Oregon and Washington

Memaloose State Park and Surrounding Federal Lands

April 21, 2017

Masses of western buttercups (Ranunculus occidentalis) blooming at the base of Oregon white oaks (Quercus garryana var. garryana) along the eastern portion of the Memaloose Loop Trail.........April 21, 2017.

Masses of western buttercups (Ranunculus occidentalis) blooming at the base of Oregon white oaks (Quercus garryana var. garryana) along the eastern portion of the Memaloose Loop Trail.........April 21, 2017.

* Indicates the wildflower is blooming.

Complete list of Memaloose Loop Wildflowers

Ponderosa Pine: Pinus ponderosa var. ponderosa

* Oregon White Oak: Quercus garryana var. garryana

Lemmon's Needlegrass: Achnatherum lemmonii var. lemmonii - In bud.

* Bulbous Bluegrass: Poa bulbosa

* Leiberg's Bluegrass: Poa leibergii

* Nevada Bluegrass: Poa secunda var. juncifolia

Medusahead Wildrye: Taeniatherum caput-medusae

Tapertip Onion: Allium accuminatum

Green-banded Mariposa Lily: Calochortus macrocarpus var. macrocarpus - Basal leaves.

Common Camas: Camassia quamash ssp. quamash - A few plants in bud.

Ookow: Dichelostemma congestum - Basal leaves.

* Glacier Lily: Erythronium grandiflorum var. grandiflorum - Fading out of bloom.

* Chocolate Lily: Fritillaria affinis - Beginning to bloom. Should peak in 7-10 days.

* Yellow Bells: Fritillaria pudica - Mostly past bloom.

Bicolored Cluster Lily: Triteleia grandiflora var. howellii - A few plants in bud.

* Fairy Slipper: Calypso bulbosa

Heart-leaf Buckwheat: Eriogonum compositum var. compositum

* Miner's Lettuce: Claytonia perfoliata ssp. perfoliata

* Line-leaf Montia: Montia linearis

Sticky Chickweed: Cerastium glomeratum

* Upland Larkspur: Delphinium nuttallianum var. nuttallianum

Plantain-leaved Buttercup: Ranunculus alismifolius var. alismifolius - Clusters of leaves along the shoreline of small ponds.

* Western Buttercup: Ranunculus occidentalis var. occidentalis - Extensive bloom.

* Shining Oregon Grape: Berberis aquifolium

* Dutchman's Breeches: Dicentra cucullaria - A few plants still in bloom in shaded, north-facing areas.

* American Wintercress: Barbarea orthoceras - Beginning to bloom.

* Spring Whitlow-grass: Draba verna - Fading out of bloom.

Scale Pod: Idahoa scapigera - Fruits maturing.

* Fringepods: Thysanocarpus curvipes - Many plants still in bloom.

* Bulblet Prairie Star: Lithophragma bulbifera - Fading out of bloom.

* Smooth Prairie Star: Lithophragma glabrum - Fading out of bloom.

* Small-flowered Prairie Star: Lithophragma parviflorum

* Wholeleaf Saxifrage: Micranthes integrifolia

Fringe Cups: Tellima grandiflora - In bud in forest along the Chatfield Road near eastbound I-84 Rest Area.

* Cusick's Serviceberry: Amelanchier cusickii

Bitter Cherry: Prunus emarginata var. emarginata - In bud.

Chokecherry: Prunus virginiana var. melanocarpa - In bud.

* Common Broad-leaf Lupine: Lupinus latifolius var. thompsonianus - One plant seen in bloom.

* Small-flowered Lupine: Lupinus micranthus - Beginning to bloom.

* Big-head Clover: Trifolium macrocephalum - Beginning to bloom.

Hairy Vetch: Vicia hirsuta

Common Vetch: Vicia sativa

* Hairy Vetch: Vicia villosa

* Filaree: Erodium cicutarium

* Dovefoot Geranium: Geranium molle

Poison Oak: Toxicodendron diversiloba - Beginning to leaf out.

Chervil: Anthriscus scandicina

* Columbia Desert Parsley: Lomatium columbianum - Fading out of bloom.

* Biscuitroot: Lomatium macrocarpum (yellow-flowered form) - Fading out of bloom.

* Bare-stem Desert Parsley: Lomatium nudicaule

* Nine-leaf Desert Parsley: Lomatium triternatum var. triternatum

Western Snake Root: Sanicula crassicaulis - Only leaves.

* Sierra Snake Root: Sanicula graveolens - Beginning to bloom.

* Poet's Shooting Star: Dodecatheon poeticum - Fading out of bloom.

Columbia Frasera: Frasera albicaulis var. columbiana - Some plants with flower buds.

Babystars: Leptosiphon bicolor - Several days until bloom.

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

* Ball-headed Waterleaf: Hydrophyllum capitatum var. thompsonii - Past their peak in shaded forest.

* Woods Nemophila: Nemophila parviflora (var. parviflora ?)

* Meadow Nemophila: Nemophila pedunculata

* Rigid Fiddleneck: Amsinckia menziesii var. menziesii

* Puccoon: Lithospermum ruderale - Beginning to bloom.

* Rusty Popcornflower: Plagiobothrys nothofulvus

* Scouler's Popcornflower: Plagiobothrys scouleri var. scouleri

* Slender Popcornflower: Plagiobothrys tenellus

Narrow-leaf Owlclover: Castilleja attenuata

* Harsh Paintbrush: Castilleja hispida var. acuta

* Large-flowered Blue-eyed Mary: Collinsia grandiflora - Nearing peak bloom.

* Small-flowered Blue-eyed Mary: Collinsia parviflora

* Few-flowered Blue-eyed Mary: Collinsia sparsiflora - Peak bloom.

* Common Monkey Flower: Erythranthe guttata

* Small-flowered Tonella: Tonella tenella

* Dwarf Owl-clover: Triphysaria pusilla - Beginning to bloom.

* Naked Broomrape: Orobanche uniflora var. occidentalis

* Naked Broomrape: Orobanche uniflora var. purpurea

* Bedstraw: Galium aparine var. echinospermum

Orange Honeysuckle: Lonicera ciliosa - Along the old Chatfield Road above Interstate 84.

* White Plectritis: Plectritis macrocera

* Big Root: Marah oreganus

Yarrow: Achillea millefolium - In bud.

Heartleaf Arnica: Arnica cordifolia - Only leaves.

* Carey's Balsamroot: Balsamorhiza careyana

Bull Thistle: Cirsium vulgare

Scouler's Hawkweed: Hieracium scouleri

* False Agoseris, Prairie Dandelion: Nothocalais troximoides

Columbia Goldenweed: Pyrrocoma carthamoides var. carthamoides

Western Groundsel: Senecio integerrimus var. exaltatus - In bud. A couple days from blooming.

* Common Dandylion: Taraxacum officinale


Paul Slichter