Columbia Hills Natural Area Preserve Vascular Plant List
Courtesy of DNR staff and The Nature Conservancy. Nomenclature follows Flora of the Pacific Northwest 2nd Edition (2018).
Scientific Name Common Name Family Acer glabrum var. douglasii Douglas' maple Aceraceae Acer negundo * box elder Aceraceae Achillea millefolium yarrow Asteraceae Achnatherum lemmonii ssp. lemmonii Lemmon's needlegrass Poaceae Acmispon americanus Spanish clover, Pursh's lotus Fabaceae Acmispon nevadensis Nevada deervetch Fabaceae Aegilops cylindrical * jointed goat grass Poaceae Agoseris grandiflora showy mountain dandelion Asteraceae Agoseris heterophylla annual agoseris Asteraceae Agropyron cristatum * crested wheatgrass Poaceae Agrostemma githago * common corncockle Caryophyllaceae Allium acuminatum taper-leaf onion Amaryllidaceae Allium nevii Nevius' onion Amaryllidaceae Alnus incana ssp. tenuifolia thin-leaf alder Betulaceae Alopecurus sp. foxtail Poaceae Amelanchier alnifolia Pacific serviceberry Rosaceae Amsinckia lycopsoides tarweed fiddleneck Boraginaceae Amsinckia menziesii small-flowered fiddleneck Boraginaceae Amsinckia retrorsa rigid fiddleneck Boraginaceae Antennaria dimorpha low pussytoes Asteraceae Antennaria flagellaris stolonous everlasting Asteraceae Antennaria luzuloides woodrush pussytoes Asteraceae Antennaria microphylla rosy pussytoes Asteraceae Antennaria sp. pussy-toes Asteraceae Antennaria stenophylla narrow-leaf pussy-toes Asteraceae Anthriscus caucalis * burr chervil Apiaceae Aphyllon fasciculatum clustered broomrape Orobanchaceae Aphyllon pinorum pine broomrape Orobanchaceae Aphyllon uniflorum naked broomrape Orobanchaceae Apocynum androsaemifolium spreading dogbane Apocynaceae Arnica cordifolia heart-leaf arnica Asteraceae Arnica fulgens orange arnica Asteraceae Asclepias fascicularis narrow-leaf milkweed Apocynaceae Aster sp. aster Asteraceae Astragalus cf. hoodianus Hood River milkvetch Fabaceae Astragalus purshii wooly-pod milkvetch Fabaceae Astragalus reventiformis Yakima milkvetch Fabaceae Atriplex sp. orache Chenopodiaceae Avena fatua * wild oat Poaceae Balsamorhiza careyana Carey's balsamroot Asteraceae
REMOVAL OR COLLECTION OF PLANTS IS NOT PERMITTED EXCEPT AS PART OF A RESEARCH OR EDUCATIONAL PROJECT APPROVED BY THE NATURAL AREAS PROGRAM.
DEPARTMENT OF Natural Areas Program (360) 902-1600 NATURAL RESOURCES PO Box 47014 Olympia, WA 98504 Balsamorhiza sagittata arrowleaf balsamroot Asteraceae Barbarea orthoceras American bittercress Brassicaceae Berberis aquifolium tall Oregon-grape Berberidaceae Berberis repens creeping Oregon-grape Berberidaceae Betula occidentalis water birch Betulaceae Boechera atrorubens black-flowered rockcress Brassicaceae Brassica cf. nigra * black mustard Brassicaceae Bromus cf. sterilis * sterile brome Poaceae Bromus diandrus * ripgut brome Poaceae Bromus hordeaceus * soft chess Poaceae Bromus inermis * smooth brome Poaceae Bromus japonicas * Japanese brome Poaceae Bromus tectorum * cheatgrass Poaceae Buglossoides arvensis * corn gromwell Boraginaceae Calochortus macrocarpus sagebrush mariposa Liliaceae Calystegia atriplicifolia ssp. atriplicifolia night-blooming morning-glory Convolvulaceae Camassia quamash ssp. breviflora small camas Asparagaceae Camelina microcarpa * false flax Brassicaceae Capsella bursa-pastoris * shepard's purse Brassicaceae Cardamine nuttallii slender toothwort Brassicaceae Carduus nutans * musk thistle Asteraceae Carex geyeri elk sedge Cyperaceae Carex spp. sedge Cyperaceae Castilleja hispida harsh Indian paintbrush Orobanchaceae Castilleja tenuis hairy owl-clover Orobanchaceae Ceanothus sanguineus redstem ceanothus Rhamnaceae Centaurea cyanus * bachelor buttons Asteraceae Centaurea diffusa * diffuse knapweed Asteraceae Centaurea solstitialis * yellow star thistle Asteraceae Cephalanthera austiniae phantom orchid Orchidaceae Ceratocephala testiculata * hornseed buttercup Ranunculaceae Chaenactis douglasii var. douglasii dusty maidens Asteraceae Chondrilla juncea * rush skeletonweed Asteraceae Cichorium intybus * chicory Asteraceae Cirsium arvense * Canada thistle Asteraceae Cirsium undulatum wavy-leaved thistle Asteraceae Cirsium vulgare * bull thistle Asteraceae Clarkia cf. gracilis slender godetia Onagraceae Clarkia pulchella ragged robin Onagraceae Clarkia quadrivulnera small-flowered godetia Onagraceae Clarkia rhomboidea common clarkia Onagraceae Claytonia exigua ssp. exigua pale springbeauty Montiaceae Claytonia lanceolata lance-leaf springbeauty Montiaceae Claytonia perfoliata miner's lettuce Montiaceae Collinsia parviflora small blue-eyed Mary Plantaginaceae Collomia grandiflora large-flowered collomia Polemoniaceae Collomia linearis narrow-leaf collomia Polemoniaceae Columbiadoria hallii Hall's goldenweed Asteraceae
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program
Corallorhiza striata striped coral-root Orchidaceae Corylus cornuta hazelnut Betulaceae Crataegus cf. chrysocarpa fireberry hawthorn Rosaceae Crataegus douglasii black hawthorn Rosaceae Crepis cf. bakeri Baker's hawksbeard Asteraceae Crepis cf. runcinata meadow hawksbeard Asteraceae Crepis intermedia gray hawksbeard Asteraceae Crepis occidentalis western hawksbeard Asteraceae Crepis sp. hawksbeard Asteraceae Crocidium multicaule spring-gold Asteraceae Croton setigerus turkey mullein Euphorbiaceae Cryptantha flaccida weak-stemmed cryptantha Boraginaceae Cryptantha intermedia common cryptantha Boraginaceae Cusickiella douglasii Douglas' draba Brassicaceae Cypripedium fasciculatum clustered lady-slipper Orchidaceae Cypripedium montanum mountain lady-slipper Orchidaceae Delphinium burkei meadow larkspur Ranunculaceae Delphinium lineapetalum upland larkspur Ranunculaceae Deschampsia elongata slender hairgrass Poaceae Descurainia sp. tansymustard Brassicaceae Diplacus nanus dwarf purple monkeyflower Phrymaceae Dodecatheon conjugens desert shooting star Primulaceae Draba verna * spring draba Brassicaceae Elymus elymoides bottlebrush squirreltail Poaceae Elymus glaucus blue wildrye Poaceae Elymus repens * quackgrass Poaceae Epilobium brachycarpum autumn willow-herb Onagraceae Epilobium cf. ciliatum Watson's willow-herb Onagraceae Epilobium densiflorum dense spike primrose Onagraceae Epilobium minutum small-flowered willow-herb Onagraceae Equisetum hyemale common scouring-rush Equisetaceae Eremogone franklinii var. franklinii Franklin's sandwort Caryophyllaceae Ericameria bloomeri rabbitbrush goldenweed Asteraceae Ericameria nauseosa grey rabbitbrush Asteraceae Ericameria resinosa Columbia goldenweed Asteraceae Erigeron filifolius thread-leaf fleabane Asteraceae Erigeron linearis desert yellow daisy Asteraceae Erigeron sp. fleabane Asteraceae Eriogonum compositum var. compositum northern buckwheat Polygonaceae Eriogonum elatum tall buckwheat Polygonaceae Eriogonum niveum snow buckwheat Polygonaceae Eriogonum sphaerocephalum var. sublineare Douglas' buckwheat Polygonaceae Eriogonum strictum strict buckwheat Polygonaceae Eriogonum thymoides thyme buckwheat Polygonaceae Eriogonum vimineum wire-stem buckwheat Polygonaceae Eriophyllum lanatum var. integrifolium Oregon sunshine Asteraceae Erodium cicutarium * stork's bill Geraniaceae Erysimum asperum rough wallflower Brassicaceae
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program
Erythranthe breviflora short-flowered monkeyflower Phrymaceae Erythranthe guttata yellow monkeyflower Phrymaceae Erythronium grandiflorum yellow fawn-lily Liliaceae Eschscholzia californica * California poppy Papaveraceae Euphorbia cf. serpillifolia thyme-leaf spurge Euphorbiaceae Euthamia occidentalis western goldenrod Asteraceae Festuca idahoensis Idaho fescue Poaceae Frasera albicaulis var. columbiana Columbia frasera Gentianaceae Fritillaria pudica yellow-bells Liliaceae Gaillardia aristata blanket-flower Asteraceae Galium aparine cleavers Rubiaceae Galium sp. bedstraw Rubiaceae Geum triflorum prairie smoke Rosaceae Gilia capitata blue fields gilia Polemoniaceae Gnaphalium palustre low cudweed Asteraceae Grindelia hirsutula gumweed Asteraceae Gruvelia pusilla little pectocarya Boraginaceae Helianthella uniflora little sunflower Asteraceae Helianthus cusickii Cusick's sunflower Asteraceae Hemizonella minima small-head tarweed Asteraceae Heuchera grossulariifolia var. tenuifolia currant-leaf alumroot Saxifragaceae Hieracium scouleri hound's tongue hawkweed Asteraceae Holodiscus discolor oceanspray Rosaceae Holosteum umbellatum * jagged chickweed Caryophyllaceae Hordeum marinum ssp. gussoneanum * Mediterranean barley Poaceae Hordeum sp. barley Poaceae Hydrophyllum capitatum var. thompsonii ballhead waterleaf Hydrophyllaceae Hypericum perforatum * common St. John's wort Hypericaceae Hypericum scouleri western St. John's wort Hypericaceae Idahoa scapigera scale-pod Brassicaceae Ipomopsis aggregata scarlet gilia Polemoniaceae Juncus bufonius toad rush Juncaceae Juncus ensifolius dagger-leaf rush Juncaceae Koeleria macrantha Junegrass Poaceae Lactuca serriola * prickly lettuce Asteraceae Lagophylla ramosissima slender hareleaf Asteraceae Lamium amplexicaule * common henbit Lamiaceae Lappula occidentalis var. occidentalis western stickseed Boraginaceae Lathyrus pauciflorus few-flowered peavine Fabaceae Lepidium cf. heterophyllum * purple-anther pepperweed Brassicaceae Lepidium draba * whitetop Brassicaceae Lepidium perfoliatum * clasping peppergrass Brassicaceae Leucanthemum vulgare * oxeye daisy Asteraceae Lewisia rediviva bitterroot Montiaceae Leymus cinereus basin wildrye Poaceae Linaria dalmatica * dalmatian toad-flax Plantaginaceae Lithophragma glabrum bulbiferous prairie star Saxifragaceae Lithophragma parviflorum prairie star Saxifragaceae
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program
Lithospermum ruderale western gromwell Boraginaceae Lomatium canbyi Canby's desert parsley Apiaceae Lomatium cf. papilioniferum butterfly bearing desert parsley Apiaceae Lomatium columbianum Columbia desert parsley Apiaceae Lomatium geyeri Geyer's desert parsley Apiaceae Lomatium gormanii Gorman's desert parsley Apiaceae Lomatium leptocarpum slender-fruited desert parsley Apiaceae Lomatium macrocarpum large-fruited desert parsley Apiaceae Lomatium multifidum fern-leaved desert parsley Apiaceae Lomatium nudicaule bare-stem desert parsley Apiaceae Lomatium piperi salt-and-pepper Apiaceae Lomatium triternatum nine-leaf lomatium Apiaceae Lomatium watsonii Watson’s desert parsley Apiaceae Lupinus arbustus spurred lupine Fabaceae Lupinus bicolor small-flowered lupine Fabaceae Lupinus latifolius X sericeus lupine Fabaceae Lupinus lepidus prairie lupine Fabaceae Lupinus leucophyllus velvet lupine Fabaceae Lupinus polyphyllus var. humicola Wyeth's lupine Fabaceae Lupinus saxosus rock lupine Fabaceae Lupinus sulphureus var. subsaccatus sulphur lupine Fabaceae Madia citriodora lemon-scented tarweed Asteraceae Madia exigua little tarweed Asteraceae Madia gracilis common tarweed Asteraceae Maianthemum racemosum ssp. amplexicaule western solomon-plume Asparagaceae Maianthemum stellatum starry solomon-plume Asparagaceae Marah oregana Oregon bigroot Cucurbitaceae Matricaria discoidea * pineapple weed Asteraceae Medicago sativa * alfalfa Fabaceae Melica spectabilis showy oniongrass Poaceae Mentzelia laevicaulis blazing star Loasaceae Mertensia oblongifolia prairie mertensia Boraginaceae Micranthes integrifolia swamp saxifrage Saxifragaceae Microseris nutans nodding microseris Asteraceae Microseris sp. microseris Asteraceae Microsteris gracilis pink microsteris Polemoniaceae Montia cf. fontana water chickweed Montiaceae Montia linearis narrow-leaved montia Montiaceae Myosotis discolor * yellow & blue forget-me-not Boraginaceae Myosotis micrantha * blue scorpiongrass Boraginaceae Myosurus minimus common mousetail Ranunculaceae Navarretia propinqua needle-leaf navarretia Polemoniaceae Navarretia sp. navarretia Polemoniaceae Nemophila breviflora great basin nemophila Hydrophyllaceae Nemophila parviflora var. austiniae small-flowered nemophila Hydrophyllaceae Nemophila pedunculata meadow nemophila Hydrophyllaceae Nothocalais troximoides false agoseris Asteraceae Olsynium douglasii grass-widows Iridaceae
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program
Osmorhiza berteroi common sweet cicely Apiaceae Osmorhiza depauperata blunt-fruit sweet-cicely Apiaceae Paeonia brownii western peony Paeoniaceae Papaver argemone * long prickly-headed poppy Papaveraceae Penstemon deustus var. variabilis hot-rock penstemon Plantaginaceae Penstemon gairdneri Gairdner's penstemon Plantaginaceae Penstemon glandulosus var. glandulosus sticky penstemon Plantaginaceae Penstemon richardsonii cut-leaf penstemon Plantaginaceae Perideridia montana mountain yampah Apiaceae Phacelia hastata white-leaf phacelia Hydrophyllaceae Phacelia procera tall phacelia Hydrophyllaceae Philadelphus lewisii mock-orange Hydrangeaceae Phlox hoodii Hood's phlox Polemoniaceae Phlox speciosa showy phlox Polemoniaceae Phoenicaulis cheiranthoides dagger pod Brassicaceae Pinus ponderosa ponderosa pine Pinaceae Plagiobothrys nothofulvus rusty popcorn-flower Boraginaceae Plagiobothrys scouleri Scouler's popcorn-flower Boraginaceae Plagiobothrys tenellus slender popcorn-flower Boraginaceae Platanthera sp. rein-orchid Orchidaceae Platanthera unalascensis Alaska rein-orchid Orchidaceae Plectritis macrocera longhorn plectritis Valerianaceae Poa bulbosa * bulbous bluegrass Poaceae Poa leibergii Leiberg’s bluegrass Poaceae Poa pratensis * Kentucky bluegrass Poaceae Poa secunda Sandberg's bluegrass Poaceae Polemonium micranthum annual polemonium Polemoniaceae Polygonum sp. knotweed Polygonaceae Populus tremuloides quaking aspen Salicaceae Potentilla gracilis cinquefoil Rosaceae Potentilla sp. cinquefoil Rosaceae Poteridium annuum * annual burnet Rosaceae Prunus emarginata bittercherry Rosaceae Prunus virginiana common chokecherry Rosaceae Pseudoroegneria spicata bluebunch wheatgrass Poaceae Pseudotsuga menziesii Douglas fir Pinaceae Pyrrocoma carthamoides Columbia goldenweed Asteraceae Quercus garryana Oregon white oak Fagaceae Ranunculus aquatilis var. aquatilis white water-buttercup Ranunculaceae Ranunculus glaberrimus sagebrush buttercup Ranunculaceae Ranunculus spp. buttercup Ranunculaceae Ranunculus triternatus obscure buttercup Ranunculaceae Ribes cereum squaw currant Grossulariaceae Rigiopappus leptocladus bristle-head Asteraceae Robinia pseudoacacia * black locust Fabaceae Rosa gymnocarpa bald hip rose Rosaceae Rosa nutkana ssp. macdougalii Nootka rose Rosaceae Rubus cf. bifrons * Himalayan blackberry Rosaceae
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program
Rubus parviflorus thimbleberry Rosaceae Rumex acetosella * sheep sorrel Polygonaceae Rumex crispus * curly dock Polygonaceae Rumex sp. dock Polygonaceae Salix scouleriana Scouler's willow Salicaceae Salix sp. willow Salicaceae Salsola kali * Russian thistle Chenopodiaceae Sambucus cerulea blue elderberry Adoxaceae Sedum lanceolatum lanceleaved stonecrop Crassulaceae Sedum leibergii Leiberg’s stonecrop Crassulaceae Senecio integerrimus var. exaltatus western groundsel Asteraceae Sidalcea oregana var. oregana Oregon checkermallow Malvaceae Silene douglasii Douglas' silene Caryophyllaceae Silene oregana Oregon silene Caryophyllaceae Sisymbrium altissimum * tumble mustard Brassicaceae Stellaria sp. starwort Caryophyllaceae Symphoricarpos albus common snowberry Caprifoliaceae Taeniatherum caput-medusae * medusahead Poaceae Taraxacum officinale * dandelion Asteraceae Thysanocarpus curvipes sand fringepod Brassicaceae Toxicoscordion paniculatum panicled death-camas Melanthiaceae Toxicoscordion venenosum meadow death-camas Melanthiaceae Tragopogon dubius * salsify Asteraceae Trifolium arvense * rabbitfoot clover Fabaceae Trifolium cyathiferum cup clover Fabaceae Trifolium macrocephalum big-headed clover Fabaceae Trifolium spp. clover Fabaceae Triteleia grandiflora Howell's triteleia Asparagaceae Triteleia hyacinthina hyacinth cluster-lily Asparagaceae Typha latifolia common cat-tail Typhaceae Urtica urens * dog nettle Urticaceae Ventenata dubia * ventenata Poaceae Verbascum blattaria * moth mullein Scrophulariaceae Veronica arvensis * common speedwell Plantaginaceae Veronica missurica ssp. stellata Columbia kittentails Scrophulariaceae Veronica peregrina var. xalapensis purslane speedwell Plantaginaceae Veronica sp. speedwell Plantaginaceae Viola nuttallii var. vallicola yellow sagebrush violet Violaceae Vulpia microstachys small fescue Poaceae Vulpia myuros * rattail fescue, rattail six-weeks grass Poaceae Woodsia oregana Oregon cliff fern Woodsiaceae Wyethia amplexicaulis northern mule's-ears Asteraceae Yabea microcarpa California hedge-parsley Apiaceae
* - Introduced
DEPARTMENT OF Conservation, Recreation and Transactions NATURAL RESOURCES Natural Areas Program