Vascular Plant List s9

Mt. Si, King County, WA. List covers plants found in the Mt. Si Natural Resource Conservation Area near North Bend, WA. Study by Lois Kemp, 1995. 336 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 Mt. Si * - Introduced Scientific Name Common Name Family Name

Abies amabilis Pacific silver fir Pinaceae Abies grandis Grand fir Pinaceae Abies lasiocarpa Sub-alpine fir Pinaceae Abies procera Noble fir Pinaceae Acer circinatum Vine maple Aceraceae Acer macrophyllum Big-leaf maple Aceraceae Achillea millifolium Yarrow Asteraceae Achlys triphylla Vanilla leaf Berberidaceae Actaea rubra Baneberry Ranunculaceae Adenocaulon bicolor Pathfinder Asteraceae Adiantum pedatum Maidenhair fern Polypodiaceae Agrostis alba* Red top Poaceae Agrostis diegoensis Thin bentgrass Poaceae Agrostis exarata* Spike bentgrass Poaceae Agrostis scabra Tickle-grass Poaceae Agrostis tenuis* Colonial bentgrass Poaceae Agrostis thurberiana Thurber bentgrass Poaceae Agrostis variabilis Variable bentgrass Poaceae Aira caryophyllea* Silver hairgrass Poaceae Alnus rubra Red alder Betulaceae Alnus sinuata Sitka alder Betulaceae Amelanchier alnifolia Serviceberry Rosaceae Anaphalis margaritacea Pearly everlasting Asteraceae Angelica genuflexa Kneeling angelica Apiaceae Antennaria neglecta Field pussy-toes Asteraceae Antennaria racemosa Raceme pussy-toes Asteraceae Anthoxanthum odoratum* Sweet vernalgrass Poaceae Aquilegia formosa Red columbine Ranunculaceae Arabis hirsuta Hairy rockcress Brassicaceae Arbutus menziesii Pacific madrone Ericaceae Arctostaphylos columbiana Bristly manzanita Ericaceae Arctostaphylos uva-ursi Bearberry Ericaceae Arenaria macrophylla Big-leaf sandwort Caryophyllaceae Arnica chamissonis Meadow arnica Asteraceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 1 of 8 Arnica latifolia Mountain arnica Asteraceae Artemesia suksdorfii Suksdorf's sagewort Asteraceae Artemesia trifurcata Three-forked artemesia Asteraceae Aruncus sylvester Goatsbeard Rosaceae Asarum caudatum Wild ginger Aristolochiaceae Aspidotus densa Indian's dream fern Polypodiaceae Asplenium trichomanes Maidenhair spleenwort Polypodiaceae Aster foliaceus Leafy aster Asteraceae Athyrium filix-femina Lady fern Polypodiaceae Berberis nervosa Cascade Oregongrape Berberidaceae Blechnum spicant Deer fern Polypodiaceae Boykinia elata Coast boykinia Saxifragaceae Brodiaea hyacinthina Hyacinth brodiaea Liliaceae Bromus carinatus California brome Poaceae Bromus sitchensis Alaska brome Poaceae Bromus vulgaris Narrow-leaf brome Poaceae Buddleja davidii Butterfly bush Buddlejaceae Calamagrostis canadensis Bluejoint Poaceae Calamagrostis sequiflora 1 &1/2 flowered reedgrass Poaceae Callitriche stagnalis Pond water-starwort Callitrichaceae Caltha biflora White marshmarigold Ranunculaceae Campanula rotundifolia Common harebell Campanulaceae Campanula scouleri Scouler's harebell Campanulaceae Cardamine oligosperma Little Western bittercress Brassicaceae Carex brunnescens Brown sedge Cyperaceae Carex deweyana Dewey's sedge Cyperaceae Carex hendersonii Henderson's sedge Cyperaceae Carex interior Inland sedge Cyperaceae Carex laeviculmis Smooth-stemmed sedge Cyperaceae Carex lenticularis Lenticular sedge Cyperaceae Carex mertensii Merten's sedge Cyperaceae Carex microptera Small-winged sedge Cyperaceae Carex nigricans Black alpine sedge Cyperaceae Carex obnupta Slough sedge Cyperaceae Carex pachystachya Pachystachy sedge Cyperaceae Carex utriculata Beaked sedge Cyperaceae Carex vesicaria Inflated sedge Cyperaceae Cassiope mertensiana White mountain heather Ericaceae Castilleja hispida Harsh paintbrush Scrophulariaceae Castilleja miniata Scarlet paintbrush Scrophulariaceae Ceanothus sanguineus Redstem ceanothus Rhamnaceae Cerastium arvense Field chickweed Caryophyllaceae Chamaecyparis nookatensis Alaska cedar Cupressaceae Cheilanthes gracillima Lace fern Polypodiaceae Chimaphila menziesii Little pipsissewa Ericaceae Chimaphila umbellata Pipsissewa Ericaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 2 of 8 Circea alpina Enchanter's nightshade Onagraceae Cirsium arvense* Canada thistle Asteraceae Cirsium brevistylum Indian thistle Asteraceae Cirsium vulgare* Bull thistle Asteraceae Cladothamnus pyroliflorus Copperbush Ericaceae Clintonia uniflora Queen's cup Liliaceae Collomia heterophylla Varied-leaf collomia Polemoniaceae Conium maculatum* Poison hemlock Apiaceae Corallorhiza maculata Spotted coral-root Orchidaceae Corallorhiza striata Striped coral-root Orchidaceae Cornus nuttallii Pacific dogwood Cornaceae Cornus unalaschensis Bunchberry Cornaceae Corylus cornuta Hazelnut Betulaceae Cryptogramma crispa Parsley fern Polypodiaceae Cystopteris fragilis Fragile fern Polypodiaceae Cytisus scoparius* Scot's broom Fabaceae Dactylis glomerata* Orchard grass Poaceae Danthonia spicata Poverty danthonia Poaceae Deschampsia atropurpurea Mountain hairgrass Poaceae Deschampsia caespitosa Tufted hairgrass Poaceae Deschampsia elongata Slender hairgrass Poaceae Dianthus armeria* Grass pink Caryophyllaceae Dicentra formosa Bleeding heart Fumariaceae Digatalis purpurea* Foxglove Scrophulariaceae Disporum hookeri Hooker fairy-bell Liliaceae Dodecatheon jeffreyi Jeffrey's shooting star Primulaceae Dryopteris austriaca Spreading wood-fern Polypodiaceae Elymus glaucus Western ryegrass Poaceae Elymus hirsutus Hairy ryegrass Poaceae Epilobium alpinum Alpine willow-herb Onagraceae Epilobium angustifolium Fireweed Onagraceae Epilobium glandulosum Common willow-herb Onagraceae Epilobium watsonii Watson's willow-herb Onagraceae Equisetum arvense Common horsetail Equisetaceae Equisetum fluviatale Swamp horsetail Equisetaceae Equisetum telmateia Giant horsetail Equisetaceae Erigeron annuus Annual fleabane Asteraceae Erigeron peregrinus Subalpine daisy Asteraceae Erigeron philadelphicus Phidelphia daisy Asteraceae Eriophyllum lanatum Oregon sunshine Asteraceae Festuca arundinacea* Tall fescue Poaceae Festuca bromoides* Barren fescue Poaceae Festuca idahoensis Blue bunchgrass Poaceae Festuca myuros* Rat-tail fescue Poaceae Festuca occidentalis Western fescue Poaceae Festuca ovina Sheep fescue Poaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 3 of 8 Festuca subuliflora Crinkle-awn fescue Poaceae Fragaria vesca Wild strawberry Rosaceae Fragaria virginiana Woods strawberry Rosaceae Galium aparine Cleavers Rubiaceae Galium asperrimum Rough bedstraw Rubiaceae Galium kamyschaticum Boreal bedstraw Rubiaceae Galium triflorum Fragrant bedstraw Rubiaceae Gaultheria ovatifolia Slender wintergreen Ericaceae Gaultheria shallon Salal Ericaceae Gentiana calycosa Mountain bog gentian Gentianaceae Geranium robertianum* Stinky Bob Geraniaceae Geum macrophyllum Large-leaved avens Rosaceae Glecoma hederacea* Creeping Charlie Lamiaceae Glyceria elata Tall mannagrass Poaceae Goodyera oblongifolia Rattlesnake-plantain Orchidaceae Gymnocarpium dryopteris Oak fern Polypodiaceae Hedera helix* English ivy Araliaceae Heracleum lanatum Cow parsnip Apiaceae Heuchera micrantha Small-flowered alumroot Saxifragaceae Hieracium albiflorum White-flowered hawkweed Asteraceae Holcus lanatus* Common velvet grass Poaceae Holodiscus discolor Ocean spray Rosaceae Hydrophyllum tenuipes Pacific waterleaf Hydrophyllaceae Hypericum perforatum* Klamath weed Hypericaceae Hypochaeris radicata* Hairy cat's-ear Asteraceae Hypopites monotropa Pinesap Ericaceae Ilex aquifolium* English holly Aquifoliaceae Juncus alpinus Norhern rush Juncaceae Juncus articulatus Jointed rush Juncaceae Juncus drummondii Drummond's rush Juncaceae Juncus effusus Soft rush Juncaceae Juncus ensifolius Daggerleaf rush Juncaceae Juncus filiformis Thread rush Juncaceae Juncus mertensianus Merten's rush Juncaceae Juncus supinus Bulbous rush Juncaceae Juncus tenuis Slender rush Juncaceae Juniperus communis Mountain juniper Cupressaceae Koelaria cristata Prairie junegrass Poaceae Lactuca muralis* Wall lettuce Asteraceae Lactuca serriola* Prickly lettuce Asteraceae Lapsana communis* Nipplewort Asteraceae Lemna minor Duckweed Lemnaceae Leucanthemum vulgare* Ox-eye daisy Asteraceae Lilium columbianum Tiger lily Liliaceae Linnaea borealis Twinflower Caprifoliaceae Lolium perenne* English ryegrass Poaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 4 of 8 Lomatium martindalei Few-flowered lomatium Apiaceae Lonicera ciliosa Orange honeysuckle Caprifoliaceae Lonicera involucrata Twinberry Caprifoliaceae Lotus corniculatus* Birdsfoot trefoil Fabaceae Lotus micranthus Miniature lotus Fabaceae Luetkea pectinata Partridge foot Rosaceae Luina hypoleuca Silverback luina Asteraceae Lupinus latifolius Broad-leaf lupine Fabaceae Luzula campestris Field woodrush Juncaceae Luzula parviflora Small-flowered woodrush Juncaceae Lycopodium camplanatum Ground cedar Lycopodiaceae Lycopodium clavatum Running clubmoss Lycopodiaceae Lycopodium selago Fir clubmoss Lycopodiaceae Lycopodium sitchense Alaska clubmoss Lycopodiaceae Lysichitum americanum Skunk cabbage Araceae Maianthemum dilatatum False lily-of-the-valley Liliaceae Melica bulbosa Onion-grass Poaceae Melica subulata Alaska Onion-grass Poaceae Menziesia feruginea Fool's huckleberry Ericaceae Mertensia ciliata Broad-leaf bluebells Boraginaceae Mitella breweri Brewer's miterwort Saxifragaceae Mitella pentandra Alpine miterwort Saxifragaceae Monotropa uniflora Single-flowered indian pipe Ericaceae Montia parvifolia Streambank spring beauty Portulacaceae Montia siberica Candyflower Portulacaceae Myosotis sylvatica Wood forget-me-not Boraginaceae Nemophila parviflora Small-flowered nemophila Hydrophyllaceae Nothochelone nemerosa Woodland beard-tongue Scrophulariaceae Oemlaria cerasiformus Indian plum Rosaceae Oenanthe sarmentosa Water parsley Apiaceae Oplopanax horridum Devil's club Araliaceae Orthilia secunda One-sided wintergreen Ericaceae Osmorhiza chilensis Mountain sweet-cicely Apiaceae Pachistima myrsinites Mountain box Celastraceae Panicum occidentale Western witchgrass Poaceae Penstemon davidsonii Davidson's penstemon Scrophulariaceae Petasites frigidus Coltsfoot Asteraceae Phalaris arundinacea* Reed canarygrass Poaceae Philadelphus lewisii Mock-orange Hydrangeaceae Phlox diffusa Spreading phlox Polemoniaceae Phyllodoce empetriformis Red mountain heather Ericaceae Physocarpus capitatus Pacific ninebark Rosaceae Picea sitchensis Sitka spruce Pinaceae Pinus contorta Lodgepole pine Pinaceae Pinus monticola Western white pine Pinaceae Plantago lanceolata* English plantain Plantaginaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 5 of 8 Plantago major* Common plantain Plantaginaceae Platanthera saccata Slender bog-orchid Orchidaceae Poa annua Annual bluegrass Poaceae Poa compressa Canadian bluegrass Poaceae Poa palustris Fowl meadow-grass Poaceae Poa pratensis* Kentucky bluegrass Poaceae Polygonum bistortoides Mountain bistort Polygonaceae Polygonum minimum Leafy dwarf knotweed Polygonaceae Polygonum persicaria Heartweed Polygonaceae Polypodium glycyrrhiza Licorice fern Polypodiaceae Polypodium hesperium Polypody Polypodiaceae Polystichum munitum Sword fern Polypodiaceae Populus trichocarpa Black cottonwood Salicaceae Potamogeton natans Floating-leaf pondweed Potamogetonaceae Prenanthes alata Wetern rattlesnake-root Asteraceae Prunella vulgaris Self-heal Lamiaceae Prunus emarginata Bitter cherry Rosaceae Pseudotsuga menziesii Douglas fir Pinaceae Pteridium aquilinum Bracken Polypodiaceae Pterospora andromedea Pinedrops Ericaceae Puccinellia pauciflora Weak alkaligrass Poaceae Pyrola asarifolia Pink wintergreen Ericaceae Pyrola picta White-veined wintergreen Ericaceae Pyrus fusca Crabapple Rosaceae Ranunculus aquatilis Water buttercup Ranunculaceae Ranunculus occidentalis Western buttercup Ranunculaceae Ranunculus orthorhynchus Straight-beak buttercup Ranunculaceae Ranunculus repens* Creeping buttercup Ranunculaceae Ranunculus uncinatus Little buttercup Ranunculaceae Rhamnus purshiana Cascara Rhamnaceae Ribes bracteosum Stink currant Grossulariaceae Ribes howellii Maple-leaf currant Grossulariaceae Ribes lacustre Prickly currant Grossulariaceae Ribes sanguinium Red-flowered currant Grossulariaceae Rosa gymnocarpa Baldhip rose Rosaceae Rubus discolor* Himalayan blackberry Rosaceae Rubus laciniatus* Evergreen blackberry Rosaceae Rubus lasiococcus Dwarf bramble Rosaceae Rubus leucodermis Blackcap Rosaceae Rubus parviflorus Thimbleberry Rosaceae Rubus pedatus Strawberry bramble Rosaceae Rubus spectabilus Salmonberry Rosaceae Rubus ursinus Wild blackberry Rosaceae Rumex acetocella* Sheep sorrel Polygonaceae Rumex crispus* Sour dock Polygonaceae Rumex obtusifolius Broad-leaved dock Polygonaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 6 of 8 Sagina procumbens Procumbant pearlwort Caryophyllaceae Salix lasiandra Pacific willow Salicaceae Salix scouleriana Scouler willow Salicaceae Salix sitchensis Sitka willow Salicaceae Sambucus cerulea Blue elderberry Caprifoliaceae Sambucus racemosa Red elderberry Caprifoliaceae Saxifraga bronchialis Spotted saxifrage Saxifragaceae Saxifraga ferruginea Rusty saxifrage Saxifragaceae Saxifraga mertensiana Merten's saxifrage Saxifragaceae Saxifraga punctata Dotted saxifrage Saxifragaceae Scirpus cyperinus Wool-grass Cyperaceae Scirpus microcarpus Small-flowered bulrush Cyperaceae Sedum oreganum Oregon stonecrop Crassulaceae Sedum spathulifolium Broadleaved stonecrop Crassulaceae Selaginella wallacei Wallace's selaginella Selaginellaceae Senecio jacobaea* Tansy ragwort Asteraceae Senecio sylvaticus* Wood groundsel Asteraceae Senecio triangularis Arrowleaf groundsel Asteraceae Smilacina racemosa False Solomon's seal Liliaceae Smilacina stellata Star-flowered Solomon's seal Liliaceae Solanum dulcamara* Bittersweet nightshade Solanaceae Solidago canadensis Meadow goldenrod Asteraceae Solidago multiradiata Northern goldenrod Asteraceae Sonchus arvensis* Field sowthistle Asteraceae Sorbus aucuparia* European mountain-ash Rosaceae Sorbus sitchensis Sitka mountain-ash Rosaceae Sparganium sp. Bur-reed Sparganiaceae Spiraea betulifolia Birch-leafed spirea Rosaceae Spiraea densiflora Rosy spirea Rosaceae Spiraea douglasii Hardhack Rosaceae Spiranthes romanzoffiana Hooded ladies-tresses Orchidaceae Stachys cooleyae Cooley's hedge-nettle Lamiaceae Stellaria calycantha Northern starwort Caryophyllaceae Stellaria crispa Crisped starwort Caryophyllaceae Stellaria media* Common chickweed Caryophyllaceae Streptopus amplexifolius Clasping-leaved twisted-stalk Liliaceae Streptopus roseus Rosy twisted-stalk Liliaceae Symphoricarpos albus Common snowberry Caprifoliaceae Taraxacum officinale* Dandelion Asteraceae Taxus brevifolia Western yew Taxaceae Thelypteris phegopteris Beech fern Polypodiaceae Thuja plicata Western red cedar Cupressaceae Tiarella trifoliata Foamflower Saxifragaceae Tofieldia glutinosa Bog lily Liliaceae Tolmia menziesii Youth-on-age Saxifragaceae Trientalis latifolia Broadleaved starflower Primulaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 7 of 8 Trifolium pratense* Red clover Fabaceae Trifolium procumbens* Hop clover Fabaceae Trifolium repens* White clover Fabaceae Trillium ovatum White trillium Liliaceae Trisetum canescens Tall trisetum Poaceae Trisetum cernuum Nodding trisetum Poaceae Tsuga heterophylla Western hemlock Pinaceae Tsuga mertensiana Mountain hemlock Pinaceae Typha latifolia Common cattail Typhaceae Urtica dioica Stinging nettle Urticaceae Vaccinium alaskense Alaska blueberry Ericaceae Vaccinium deliciosum Cascade huckleberry Ericaceae Vaccinium membranaceum Mountain huckleberry Ericaceae Vaccinium ovalifolium Oval-leafed huckleberry Ericaceae Vaccinium parvifolium Red huckleberry Ericaceae Valeriana sitchensis Sitka valerian Valerianaceae Veratrum viride Green false hellebore Liliaceae Verbascum thapsus* Common mullein Scrophulariaceae Veronica americana American brooklime Scrophulariaceae Veronica officinalis* Common speedwell Scrophulariaceae Veronica serpyllifolia Thyme-leaf speedwell Scrophulariaceae Viola glabella Stream violet Violaceae Viola palustris Marsh violet Violaceae Viola sempervirens Evergreen violet Violaceae Woodsia oregana Oregon woodsia Polypodiaceae Xerophyllum tenax Beargrass Liliaceae

Mt. Si, King County, WA 5/10/2018 WNPS Plant Lists Page 8 of 8