*Non-native Horsepasture Mountain List as of 7/12/2016 compiled by Tanya Harvey T17S.R6E.S4,8,9 westerncascades.com FERNS & ALLIES Taxaceae Holodiscus discolor Athyriaceae Taxus brevifolia Prunus emarginata Athyrium filix-femina TREES & SHRUBS: DICOTS Rosa gymnocarpa Blechnaceae Adoxaceae Rubus lasiococcus Blechnum spicant Sambucus nigra ssp. caerulea Rubus parviflorus (Sambucus mexicana, S. cerulea) Cystopteridaceae Rubus spectabilis Sambucus racemosa Cystopteris fragilis Sorbus scopulina Araliaceae Dennstaedtiaceae Sorbus sitchensis Oplopanax horridus Pteridium aquilinum Spiraea splendens Berberidaceae Dryopteridaceae (Spiraea densiflora) Berberis nervosa Dryopteris expansa (Mahonia nervosa) Sapindaceae (Dryopteris dilatata) Acer circinatum Polystichum andersonii Betulaceae Alnus viridis ssp. sinuata Acer glabrum var. douglasii Polystichum imbricans (Alnus sinuata) Acer macrophyllum (Polystichum munitum var. imbricans) Caprifoliaceae Polystichum lonchitis HERBACEOUS DICOTS Lonicera ciliosa Apiaceae Polystichum munitum Lonicera conjugialis Angelica arguta Pteridaceae Symphoricarpos albus Heracleum maximum Adiantum aleuticum (Heracleum lanatum) (Adiantum pedatum var. aleuticum) Symphoricarpos mollis (Symphoricarpos hesperius) Ligusticum grayi Aspidotis densa Celastraceae Lomatium dissectum Cheilanthes gracillima Paxistima myrsinites Lomatium hallii Cryptogramma acrostichoides (Pachystima myrsinites) (Cryptogramma crispa) Lomatium martindalei Ericaceae Selaginellaceae Lomatium nudicaule Arctostaphylos nevadensis Selaginella wallacei Orogenia fusiformis Vaccinium membranaceum TREES & SHRUBS: Osmorhiza berteroi CONIFERS Fagaceae Cupressaceae (Osmorhiza chilensis) Chrysolepis chrysophylla Callitropsis nootkatensis Osmorhiza occidentalis (Castanopsis chrysophylla) (Chamaecyparis nootkatensis) Perideridia Juniperus communis Grossulariaceae (Perideridia gairdneri) Ribes binominatum Pinaceae Sanicula graveolens Ribes bracteosum Abies amabilis Aristolochiaceae Ribes lacustre Abies concolor x grandis Asarum caudatum Ribes viscosissimum Abies grandis Abies lasiocarpa Rhamnaceae Achillea millefolium Ceanothus integerrimus Abies procera Adenocaulon bicolor Ceanothus velutinus Pinus monticola Agoseris aurantiaca Rhamnus purshiana Pseudotsuga menziesii Agoseris grandiflora (Frangula purshiana) Tsuga heterophylla Anaphalis margaritacea Rosaceae luzuloides Tsuga mertensiana Amelanchier alnifolia Antennaria racemosa Antennaria rosea Silene douglasii Onagraceae (Antennaria microphylla) *Spergularia rubra Chamerion angustifolium Arnica latifolia (Epilobium angustifolium) Stellaria crispa Arnica parryi Circaea alpina *Stellaria media Artemisia ludoviciana Epilobium brachycarpum Stellaria obtusa (Epilobium paniculatum) Cirsium remotifolium (Cirsium callilepis) Cornaceae Epilobium lactiflorum Cornus unalaschkensis (Epilobium alpinum var. lactiflorum) Columbiadoria hallii (Cornus canadensis) (Haplopappus hallii) Epilobium sp. Erigeron aliceae Crassulaceae Gayophytum diffusum Sedum oregonense Erigeron foliosus var. confinis Gayophytum humile Sedum stenopetalum Eriophyllum lanatum Orobanchaceae Eucephalus ledophyllus Ericaceae Castilleja hispida Chimaphila menziesii (Aster ledophyllus ) Castilleja miniata Eurybia radulina Chimaphila umbellata Castilleja rupicola (Aster radulinus) Orthilia secunda Orthocarpus imbricatus Hieracium albiflorum (Pyrola secunda) Pedicularis bracteosa var. flavida Hieracium scouleri Pterospora andromedea Pedicularis racemosa Petasites frigidus var. palmatus Pyrola picta Papaveraceae Rudbeckia occidentalis Fabaceae Dicentra formosa Senecio integerrimus Lathyrus nevadensis Dicentra uniflora Senecio triangularis Lupinus arbustus (Lupinus laxiflorus) Phrymaceae Solidago canadensis Lupinus latifolius Mimulus breweri Symphyotrichum foliaceum (Aster foliaceus) Trifolium kingii var. productum Mimulus moschatus (Trifolium productum) Symphyotrichum spathulatum Plantaginaceae *Trifolium repens (Aster occidentalis) Collinsia parviflora Vicia americana Berberidaceae Nothochelone nemorosa Achlys triphylla Gentianaceae Penstemon cardwellii Vancouveria hexandra Gentiana calycosa Penstemon procerus var. brachyanthus Hydrophyllaceae Boraginaceae Penstemon rupicola Hackelia micrantha Hydrophyllum fendleri *Plantago lanceolata (Hackelia jessicae) Hydrophyllum occidentale Mertensia bella Veronica serpyllifolia var. humifusa Hydrophyllum tenuipes Polemoniaceae Brassicaceae Nemophila parviflora Boechera retrofracta Collomia grandiflora Hypericaceae (Arabis holboellii) Gilia capitata Hypericum anagalloides Erysimum capitatum var. capitatum Ipomopsis aggregata (Erysimum asperum) *Hypericum perforatum (Gilia aggregata) Campanulaceae Lamiaceae Leptosiphon harknessii Campanula scouleri Prunella vulgaris (Linanthus harknessii) Microsteris gracilis Caryophyllaceae Stachys rigida (Phlox gracilis) *Arenaria serpyllifolia Montiaceae Navarretia divaricata Moehringia macrophylla Claytonia sibirica Phlox adsurgens (Arenaria macrophylla) (Montia sibirica) Silene campanulata ssp. glandulosa Montia parvifolia Phlox diffusa Polemonium carneum Micranthes ferruginea Orchidaceae ( ferruginea) Polygonaceae Goodyera oblongifolia Mitella breweri Aconogonon phytolaccifolium Neottia banksiana (Polygonum phytolaccifolium) Mitella caulescens (Listera caurina) Eriogonum compositum Mitella pentandra Platanthera stricta (Habenaria saccata) Eriogonum nudum Mitella trifida GRAMINOIDS Eriogonum umbellatum Saxifraga bronchialis ssp. vespertina Cyperaceae Polygonum cascadense Saxifraga cespitosa Carex inops ssp. inops Polygonum douglasii Saxifraga mertensiana Carex mertensii Polygonum minimum Tellima grandiflora Juncaceae *Rumex acetosella Tiarella trifoliata var. trifoliata Luzula parviflora Primulaceae Tiarella trifoliata var. unifoliata (Luzula divaricata) Lysimachia latifolia Tolmiea menziesii Poaceae (Trientalis latifolia) Valerianaceae Achnatherum sp. Ranunculaceae (Stipa sp.) Valeriana sitchensis Aconitum columbianum Bromus vulgaris Violaceae Actaea rubra Danthonia unispicata Viola bakeri Anemone deltoidea (Viola nuttallii var. bakeri) Elymus elymoides Anemone lyallii Viola glabella Festuca sp. Aquilegia formosa Viola orbiculata Festuca viridula Delphinium menziesii MONOCOTS Koeleria macrantha Ranunculus occidentalis Asparagaceae Muhlenbergia filiformis Ranunculus uncinatus Maianthemum racemosum (Smilacina racemosa) Thalictrum occidentale Maianthemum stellatum Rosaceae (Smilacina stellata) Aruncus dioicus Liliaceae (Aruncus sylvester) Calochortus subalpinus Drymocallis glandulosa (Potentilla glandulosa) Clintonia uniflora Fragaria vesca Erythronium grandiflorum

Fragaria virginiana Lilium columbianum

Rubiaceae Lilium washingtonianum Galium bifolium Prosartes hookeri (Disporum hookeri) Galium oreganum Prosartes smithii Galium triflorum (Disporum smithii) Santalaceae Streptopus amplexifolius Arceuthobium sp. Streptopus lanceolatus Comandra umbellata var. californica (Streptopus roseus)

Saxifragaceae Melanthiaceae occidentalis Trillium ovatum (Boykinia elata) Veratrum viride Heuchera micrantha Xerophyllum tenax Lithophragma parviflorum