Douglas Creek, Douglas County, WA.

List covers plants found in the canyon formed by Douglas Creek from the mouth of the creek in Moses Coulee to a point about three miles upstream. DNR list by Joe Arnett and Ellen Gehling, 1995. 198 spp.

These lists represent the work of different WNPS members over the years.

Their accuracy has not been verified by the Washington Native Plant Society.

We offer these lists to individuals as a tool to enhance the enjoyment and study of native plants.

Vascular Plant List

* - Introduced

Scientific Name Common Name Family Name

Acer glabrum Douglas maple Aceraceae

Achillea millifolium Yarrow Asteraceae

Agastache urticifolia Nettle-leaf horse-mint Lamiaceae

Agoseris heterophylla Annual agoseris Asteraceae

Agropyron cristatum* Crested wheat-grass Poaceae

Agropyron spicatum Blue-bunch wheatgrass Poaceae

Allium acuminatum Taper-tip onion Liliaceae

Allium scilloides Scilla-like onion Liliaceae

Alnus incana Mountain alder Betulaceae

Alyssum alyssoides* Pale alyssum Brassicaceae

Amelanchier alnifolia Serviceberry Rosaceae

Amsinckia lycopsoides Bugloss fiddleneck Boraginaceae

Amsinckia menziesii Menzies' fiddleneck Boraginaceae

Amsinckia tessellata Devil's lettuce Boraginaceae

Antennaria dimorpha Low pussy-toes Asteraceae

Antennaria stenophylla Narrow-leaf pussy-toes Asteraceae

Apocynum androsaemifolium Spreading dogbane Apocynaceae

Apocynum cannabinum Hemp dogbane Apocynaceae

Arabis sparsiflora Sicklepod rockcress Brassicaceae

Arctium minus* Common burdock Asteraceae

Arenaria congesta Dense-flowered sandwort Caryophyllaceae

Arnica sororia Twin arnica Asteraceae

Artemesia ludoviciana Western mugwort Asteraceae

Artemesia rigida Stiff sagebrush Asteraceae

Artemesia tridentata Big sagebrush Asteraceae

Asclepias speciosa Showy milkweed Asclepiadaceae

Asperugo procumbens* Madwort Boraginaceae

Astragalus leibergii Lieberg's milk-vetch Fabaceae

Astragalus lentiginosus Specklepod milk-vetch Fabaceae

Astragalus purshii Pursh's milk-vetch Fabaceae

Atriplex spinosa Spiny hop sage Chenopodiaceae

Balsamorhiza hookeri Hooker's balsamroot Asteraceae

Balsamorhiza sagittata Arrow-leaf balsamroot Asteraceae

Berberis aquifolium Tall Oregongrape Berberidaceae

Berberis repens Creeping Oregongrape Berberidaceae

Betula occidentalis Water birch Betulaceae

Brodiaea douglasii Douglas' brodiaea Liliaceae

Bromus commutatus* Common chess Poaceae

Bromus inermis* Smooth brome Poaceae Bromus tectorum* Cheat grass Poaceae

Calochortus macrocarpus Sagebrush mariposa Liliaceae Capsella bursa-pastoris* Shepherd's purse Brassicaceae

Cardaria draba* Hoary cress Brassicaceae

Castilleja thompsonii Thompson's paintbrush Scrophulariaceae

Centaurea diffusa* Diffuse knapweed Asteraceae

Chaenactis douglasii Dusty maidens Asteraceae

Chorispora tenella* Blue mustard Brassicaceae

Chrysothamnus nauseosus Gray rabbit-brush Asteraceae

Chrysothamnus viscidiflorus Green rabbit-brush Asteraceae

Cirsium arvense* Canada thistle Asteraceae

Cirsium undulatum Wavy-leaved thistle Asteraceae

Clematis lingusticifolia Virgin's bower Ranunculaceae

Collinsia parviflora Blue-eyed Mary Scrophulariaceae

Collomia grandiflora Large-flowered collomia Polemoniaceae

Collomia linearis Narrow-leaf collomia Polemoniaceae

Collomia tenella Diffuse collomia Polemoniaceae

Convolvulus arvensis* Field morning-glory Convolvulaceae

Cornus stolonifera Red-osier dogwood Cornaceae

Crataegus douglasii Black hawthorn Rosaceae

Crepis atrabarba Slender hawksbeard Asteraceae

Crepis modocensis Low hawksbeard Asteraceae

Cryptantha pterocarya Wing-nut cryptantha Boraginaceae

Cystopteris fragilis Fragile fern Polypodiaceae

Delphinium nuttallianum Upland larkspur Ranunculaceae

Descurainia pinnata Western tansymustard Brassicaceae

Dipsacus sylvestris* Teasel Dipsacaceae

Dodecatheon conjugens Desert shooting star Primulaceae

Draba verna Spring whitlow-grass Brassicaceae

Elaeagnus angustifolia* Russian olive Elaeagnaceae

Eleocharis palustris Common spike-rush Cyperaceae

Elymus cinereus Giant rye grass Poaceae

Epilobium minutum Small-flowered willow-herb Onagraceae

Equisetum arvense Common horsetail Equisetaceae

Equisetum laevigatum Smooth scouring-rush Equisetaceae

Erigeron linearis Desert yellow daisy Asteraceae

Erigeron poliospermus Cushion fleabane Asteraceae

Erigeron pumilus Shaggy fleabane Asteraceae

Erigeron subtrinervis Three-viened fleabane Asteraceae

Eriogonum compositum Northern buckwheat Polygonaceae

Eriogonum heracleoides Parsnip-flowered buckwheat Polygonaceae

Eriogonum sphaerocephalum Rock buckwheat Polygonaceae

Eriogonum strictum Strict buckwheat Polygonaceae

Eriogonum thymoides Thyme-leaf buckwheat Polygonaceae

Eriophyllum lanatum Oregon sunshine Asteraceae

Euphorbia glyptosperma Corregate-seeded spurge Euphorbiaceae

Fritillaria pudica Yellow bell Liliaceae

Galium multiflorum Shrubby bedstraw Rubiaceae

Geranium viscosissimum Sticky geranium Geraniaceae

Grindelia nana Low gumweed Asteraceae

Hackelia diffusa Sagebrush stickseed Boraginaceae

Hackelia hispida Rough stickseed Boraginaceae

Haplopappus resinosus Columbia goldenweed Asteraceae

Haplopappus stenophyllus Narrow-leaf goldenweed Asteraceae

Heuchera cylindrica Lava alumroot Saxifragaceae

Holodiscus discolor Ocean spray Rosaceae

Hydrophyllum capitatum Woolly breeches Hydrophyllaceae

Iliamna longisepala Longsepal globemallow Malvaceae

Juncus effusus Soft rush Juncaceae

Lemna minor Duckweed Lemnaceae

Lepidium perfoliatum* Clasping peppergrass Brassicaceae

Leptodactylon pungens Prickly phlox Polemoniaceae

Lewisia rediviva Bitterroot Portulacaceae

Linaria dalmatica* Dalmatian toad-flax Scrophulariaceae

Lithophragma bulbifera Bulbiferous prairie-star Saxifragaceae

Lithospermum arvense* Corn gromwell Boraginaceae

Lithospermum ruderale Columbia puccoon Boraginaceae

Lomatium canbyi Canby's desert-parsley Apiaceae

Lomatium dissectum Fern-leaf biscuit-root Apiaceae

Lomatium geyeri Geyer's desert-parsley Apiaceae

Lomatium grayi Gray's desert-parsley Apiaceae

Lomatium hambleniae Hamblen's desert-parsley Apiaceae

Lomatium macrocarpum Large-fruited lomatium Apiaceae

Lomatium triternatum Nine-leaf lomatium Apiaceae

Lupinus sericeus Silky lupine Fabaceae

Lupinus sp. Lupine Fabaceae

Lupinus sulphureus Sulphur lupine Fabaceae

Matricaria matricarioides* Pineapple weed Asteraceae

Medicago sativa* Alfalfa Fabaceae

Melilotus alba* White sweet-clover Fabaceae

Mentzelia laevicaulis Blazingstar Loasaceae

Mertensia longiflora Small bluebells Boraginaceae

Microseris troximoides Wavyleaf microseris Asteraceae

Microsteris gracilis Pink microsteris Polemoniaceae

Mimulus gutattus Common monkey-flower Scrophulariaceae

Montia perfoliata Miner's lettuce Portulacaceae

Oenothera hilgardii Hilgard's evening-primrose Onagraceae

Oryzopsis hymenoides Indian ricegrass Poaceae

Pectocarya linearis Winged combseed Boraginaceae

Penstemon gairdneri Gairdner's penstemon Scrophulariaceae

Penstemon pruinosus Chelan penstemon Scrophulariaceae

Penstemon richardsonii Richardson's penstemon Scrophulariaceae

Penstemon speciosus Showy penstemon Scrophulariaceae

Phacelia hastata White-leaf phacelia Hydrophyllaceae

Phacelia linearis Thread-leaf phacelia Hydrophyllaceae

Phacelia ramosissima Branched phacelia Hydrophyllaceae

Phalaris arundinacea* Reed canarygrass Poaceae

Philadelphus lewisii Mock-orange Hydrangeaceae

Phlox hoodii Hood's phlox Polemoniaceae

Phlox longifolia Long-leaf phlox Polemoniaceae

Phoenicaulis chieranthoides Daggerpod Brassicaceae

Plantago patagonica Candleweed Plantaginaceae

Plectritus macrocera White plectritus Valerianaceae

Poa bulbosa* Bulbous bluegrass Poaceae

Poa sandbergii Sandberg's bluegrass Poaceae

Polemonium micranthum Littlebells polemonium Polemoniaceae

Polygonum aviculare* Doorweed Polygonaceae

Polygonum cuspidatum* Japanese knotweed Polygonaceae

Populus tremuloides Quaking aspen Salicaceae

Populus trichocarpa Black cottonwood Salicaceae

Potentilla glandulosa Sticky cinquefoil Rosaceae

Prunus virginiana Chokecherry Rosaceae

Purshia tridentata Bitterbrush Rosaceae

Pyrus malus* Apple Rosaceae

Ranunculus glaberrimus Sagebrush buttercup Ranunculaceae

Ranunculus testiculatus* Hornseed buttercup Ranunculaceae

Rhus glabra Sumac Anacardiaceae

Rhus radicans Poison ivy Anacardiaceae

Ribes aureum Golden current Grossulariaceae

Ribes cereum Wax current Grossulariaceae

Robinia pseudoacacia* Black locust Fabaceae

Rorippa nasturtium-aquaticum* Water cress Brassicaceae

Rosa woodsii Wood's rose Rosaceae

Rumex acetocella* Sheep sorrel Polygonaceae

Rumex crispus* Sour dock Polygonaceae

Salix amygdaloides Peachleaf willow Salicaceae

Salix exigua Coyote willow Salicaceae

Salix lasiandra Pacific willow Salicaceae

Salix rigida Mackenzie willow Salicaceae

Salsola kali* Russian thistle Chenopodiaceae

Salvia dorrii Gray ball sage Lamiaceae

Sambucus cerulea Blue elderberry Caprifoliaceae

Sambucus racemosa Red elderberry Caprifoliaceae

Saxifraga integrifolia Grassland saxifrage Saxifragaceae

Schoenocrambe linifolia Plains mustard Brassicaceae

Selaginella wallacei Wallace's selaginella Selaginellaceae

Senecio integerrimus Western groundsel Asteraceae

Silene menziesii Menzies' silene Caryophyllaceae

Sisymbrium altissimum* Jim Hill mustard Brassicacea Smilacina stellata Star-flowered Solomon's seal Liliaceae

Sphaeralcea munroana White-leaved globe mallow Malvaceae

Stephanomeria tenuifolia Bush wirelettuce Asteraceae

Taraxacum officinale* Dandelion Asteraceae

Tetradymia canescens Grey horse-brush Asteraceae

Thelopodium laciniatum Thick-leaved thelepody Brassicaceae

Tragopogon dubius* Oysterplant Asteraceae

Trifolium repens* White clover Fabaceae

Typha latifolia Common cattail Typhaceae

Ulmus pumila* Siberian elm Ulmaceae

Verbascum thapsus* Common mullein Scrophulariaceae

Verbena bracteata Bracted vervain Verbenaceae

Veronica americana American brooklime Scrophulariaceae

Vicia americana American vetch Fabaceae

Vicia villosa* Hairy vetch Fabaceae

Viola nuttallii Yellow prairie violet Violaceae

Viola trinervata Sagebrush violet Violaceae

Woodsia oregana Oregon woodsia Polypodiaceae

Woodsia scopulina Rocky Mtn. Woodsia Polypodiaceae

Zigadenus venenosus Meadow death camas Liliaceae

Douglas Creek, Douglas County, Washington

Plant Lists. WNPS Membership

Page 4 of 5