compiled by Youngs Rock Plant List as of 3/19/2008 Tanya Harvey T23S.R3E.S36, T24S.R3E.S1 *Non-native

FERNS & ALLIES Acer macrophyllum Ribes lobbii big-leaf maple gummy gooseberry Dennstaediaceae Ribes roezlii var. cruentum Pteridium aquilinum Anacardiaceae shiny-leaved gooseberry, Sierra bracken fern Toxicodendron diversilobum poison oak Ribes sanguineum Dryopteridaceae red-flowering currant Cystopteris fragilis Berberidaceae fragile fern Berberis aquifolium Hydrangeaceae shining Oregon grape Philadelphus lewisii Polystichum imbricans western mock orange imbricate sword fern Berberis nervosa Cascade Oregon grape Polystichum lonchitis Rhamnaceae holly fern Betulaceae Ceanothus cuneatus var. cuneatus buckbrush Polystichum munitum Corylus cornuta var. californica sword fern hazelnut or filbert Ceanothus integerrimus deerbrush Polypodiaceae Caprifoliaceae Ceanothus prostratus Polypodium glycyrrhiza Lonicera ciliosa Mahala mat licorice fern orange honeysuckle Ceanothus sanguineus Polypodium hesperium Lonicera hispidula redstem ceanothus western polypody hairy honeysuckle Pteridiaceae Sambucus mexicana Rosaceae blue elderberry Amelanchier alnifolia Cheilanthes gracillima western serviceberry lace fern Symphoricarpos mollis creeping snowberry Holodiscus discolor Cryptogramma acrostichoides oceanspray parsley fern Celastraceae Oemleria cerasiformis Pentagramma triangularis Paxistima myrsinites indian plum gold-back fern Oregon boxwood Prunus emarginata Selaginellaceae Cornaceae bitter cherry Selaginella wallacei Cornus nuttallii Wallace’s selaginella Pacific dogwood Rosa gymnocarpa Ericaceae bald-hip rose TREES & SHRUBS: CONIFERS Arbutus menziesii Rubus leucodermis Cupressaceae madrone black raspberry Calocedrus decurrens Arctostaphylos canescens Rubus parviflorus incense cedar hoary manzanita thimbleberry Pinaceae Arctostaphylos columbiana Rubus ursinus Abies grandis hairy manzanita dewberry grand fir Vaccinium membranaceum HERBACEOUS DICOTS Pinus lambertiana thin-leaved huckleberry sugar pine Apiaceae (Umbelliferae) Fagaceae Angelica arguta Pinus ponderosa Chrysolepis chrysophylla sharptooth angelica ponderosa pine chinquapin Daucus pusillus Pseudotsuga menziesii Quercus garryana rattlesnake weed Douglas-fir Oregon white oak Lomatium hallii TREES & SHRUBS: DICOTS Garryaceae Hall’s lomatium Aceraceae Garrya fremontii Lomatium nudicaule Acer circinatum Fremont’s silk tassel bare-stem lomatium vine maple Grossulariaceae Lomatium utriculatum Acer glabrum var. douglasii Ribes cereum fine-leaved lomatium, spring gold Douglas maple wax currant Osmorhiza berteroi Eriophyllum lanatum Plagiobothrys sp. mountain sweet-cicely Oregon sunshine, woolly sunflower popcorn flower Osmorhiza occidentalis Hemizonella minima Brassicaceae (Cruciferae) western sweet-cicely least tarweed Arabis holboellii Perideridia oregana Hieracium albiflorum Holboell’s rockcress Oregon yampah white-flowered hawkweed Athysanus pusillis Sanicula graveolens *Hypochaeris radicata sandweed Sierra snake-root, sanicle spotted cat’s-ear Cardamine hirsuta Apocynaceae Luina hypoleuca western bittercress Apocynum androsaemifolium silverback luina Cardamine nuttallii var. nuttallii spreading dogbane Madia elegans slender toothwort Aristolochiaceae showy tarweed Thysanocarpus curvipes Asarum caudatum Madia exigua sand fringepod wild ginger little tarweed Campanulaceae Asteraceae (Compositae) Madia glomerata Campanula prenanthoides Achillea millefolium clustered tarweed California harebell yarrow Madia gracilis Campanula scouleri Adenocaulon bicolor slender tarweed Scouler’s harebell trail plant, pathfinder Microseris nutans Githopsis specularioides Agoseris grandiflora nodding microseris common blue cup large-flowered agoseris *Mycelis muralis Caprifoliaceae Agoseris heterophylla wall lettuce Linnaea borealis annual agoseris Pseudognaphalium canescens ssp. twinflower Anaphalis margaritacea slender cudweed Caryophyllaceae pearly everlasting Psilocarphus eliator Arenaria serpyllifolia Anisocarpus madioides woollyheads thyme-leaf sandwort woodland tarweed Rudbeckia occidentalis *Cerastium glomeratum Antennaria racemosa western coneflower sticky mouse ear raceme pussytoes Senecio sylvaticus Moehringia macrophylla Antennaria rosea wood groundsel bigleaf sandwort rosy pussytoes Senecio triangularis Silene antirrhina Arnica latifolia arrowleaf groundsel sleepy catchfly mountain arnica *Taraxacum officinale Silene campanulata ssp. glandulosa Aster ledophyllus common dandelion nodding catchfly Cascade aster *Tragopogon dubius Stellaria sp. Aster radulinus yellow salsify starwort rough-leaved aster Berberidaceae Crassulaceae Balsamorhiza deltoidea Achlys triphylla Sedum oregonense deltoid balsamroot vanilla leaf creamy stonecrop Cirsium remotifolium Vancouveria hexandra Sedum spathulifolium mountain thistle inside-out flower broadleaf stonecrop Columbiadoria hallii Boraginaceae Sedum stenopetalum Hall’s goldenweed Cryptantha intermedia wormleaf stonecrop Conyza canadensis common cryptantha Cucurbitaceae horseweed Cynoglossum grande Marah oreganus Ericameria nauseosa var. speciosa hound’s tongue coast manroot, bigroot, wild cucumber rabbit brush Mertensia paniculata Ericaceae tall bluebells/tall lungwort Erigeron cascadensis Chimaphila menziesii Cascade fleabane *Myosotis discolor little prince’s-pine/pipsissewa yellow and blue forget-me-not Erigeron foliosus var. confinis Chimaphila umbellata leafy fleabane prince’s pine/pipsissewa Monotropa uniflora Geraniaceae Orobanche pinorum indian pipe *Erodium cicutarium pine broomrape Pleuricospora fimbriolata filaree Orobanche uniflora fringed pinesap Hydrangeaceae naked broomrape Pterospora andromedea Whipplea modesta Plantaginaceae pinedrops Whipplevine, Yerba de Selva *Plantago lanceolata Pyrola asarifolia Hydrophyllaceae English plantain pink, bog, alpine pyrola Hydrophyllum occidentale Polemoniaceae Pyrola picta western waterleaf Collomia grandiflora white-veined wintergreen, pyrola Hydrophyllum tenuipes large-flowered collomia Fabaceae (Leguminosae) Pacific waterleaf Collomia heterophylla Lathyrus lanszwertii Nemophila parviflora varied-leaf collomia Nevada pea small-flowered nemophila Gilia capitata Lathyrus nevadensis Phacelia hastata bluefield gilia Sierra pea silverleaf phacelia Linanthus bicolor *Lotus corniculatus Phacelia heterophylla true baby stars birdsfoot trefoil, butter-and-eggs varileaf phacelia Navarretia divaricata Lotus micranthus Phacelia linearis mountain navarretia small-flowered deervetch threadleaf phacelia Phlox adsurgens Lotus nevadensis Phacelia verna woodland phlox Nevada deervetch spring phacelia Phlox diffusa Lotus oblongifolius Hypericaceae spreading phlox streambank birdfoot trefoil Hypericum formosum Phlox gracilis Lotus purshianus western St. John’s wort annual phlox Spanish clover *Hypericum perforatum Polygonaceae Lupinus albifrons Klamath weed, St. John’s wort Eriogonum compositum silver or white-leaved lupine Lamiaceae (Labiatae) heart-leaved buckwheat Lupinus latifolius Satureja douglasii Eriogonum nudum broadleaf lupine yerba buena bare-stemmed buckwheat *Medicago lupulina Scutellaria antirrhinoides Polygonum cascadense black medic snapdragon skullcap Cascade knotweed Rupertia physodes Onagraceae Polygonum douglasii California tea Circaea alpina Douglas' knotweed Trifolium albopurpureum var. enchanter’s nightshade Portulacaceae rancheria clover Clarkia amoena Claytonia perfoliata *Trifolium dubium farewell-to-spring miner’s lettuce least hop-clover Clarkia gracilis Claytonia rubra ssp. rubra Trifolium microcephalum slender godetia redstem miner’s Lettuce small-head clover Clarkia purpurea ssp. quadnivulnera Claytonia sibirica Trifolium sp. four spot candyflower clover Clarkia rhomboidea Montia parvifolia Trifolium variegatum rhomboid clarkia littleleaf montia white tip clover Epilobium brachycarpum Primulaceae Trifolium willdenowii tall annual willowherb Trientalis latifolia tomcat, sand clover Epilobium minutum western starflower Vicia americana small-flowered willowherb Ranunculaceae American vetch Epilobium sp. Aconitum columbianum Gentianaceae willowherb Columbian monkshood *Centaurium erythraea Orobanchaceae Actaea rubra common centaury Orobanche fasciculata western red baneberry clustered broomrape Anemone deltoidea Saxifraga mertensiana Valerianaceae western white anemone, Columbia wood saxifrage Plectritis congesta Anemone lyallii Saxifraga odontoloma rosy plectritis western wood anemone, Lyall’s anemone brook saxifrage Valeriana scouleri Delphinium menziesii Saxifraga rufidula Scouler’s valerian Menzies' larkspur western saxifrage Violaceae Ranunculus occidentalis Tellima grandiflora Viola bakeri western buttercup fringecup yellow prairie violet Rosaceae Tolmiea menziesii Viola glabella Fragaria vesca youth-on-age, piggyback plant stream violet woods strawberry Scrophulariaceae Viola howellii Fragaria virginiana Castilleja hispida Howell’s violet wild strawberry harsh paintbrush Viola sempervirens Potentilla glandulosa Castilleja pruinosa evergreen violet sticky cinquefoil frosted paintbrush Viola sheltonii Potentilla sp. Castilleja rupicola Shelton’s violet cinquefoil cliff paintbrush Viscaceae Rubiaceae Castilleja tenuis Arceuthobium sp. Galium aparine hairy owlclover mistletoe common bedstraw, cleavers Collinsia grandiflora MONOCOTS Galium bifolium large-flowered blue-eyed Mary Araceae thinleaf bedstraw Collinsia parviflora Lysichiton americanus small-flowered blue-eyed Mary Galium oreganum skunk cabbage Oregon bedstraw Collinsia rattanii Iridaceae Galium triflorum Rattan’s blue-eyed Mary Iris chrysophylla fragrant bedstraw Cordylanthus tenuis ssp. viscidus slender-tubed iris *Sherardia arvensis slender viscid birdbeak Liliaceae blue field-madder Mimulus alsinoides Allium crenulatum chickweed monkeyflower Saxifragaceae Olympic onion Heuchera merriamii Mimulus guttatus Anticlea occidentalis Merriam’s alumroot seep monkeyflower bronze bells, western stenanthium Heuchera micrantha Nothochelone nemorosa Brodiaea elegans small-flowered alumroot woodland beard-tongue elegant cluster-lily Lithophragma parviflorum Penstemon cardwellii Calochortus subalpinus small-flowered prairie-star Cardwell’s penstemon mountain cat’s ear Mitella breweri Penstemon deustus Calochortus tolmiei Brewer’s mitrewort hot-rock penstemon Tolmie’s Cat’s ear Mitella caulescens Penstemon rupicola Camassia leichtlinii leafy mitrewort cliff penstemon great camas Mitella diversifolia Synthyris reniformis Clintonia uniflora angle-leaved, varied-leaved mitrewort snow queen queen’s cup, bead lily Mitella ovalis Tonella tenella Dichelostemma congestum oval-leaf mitrewort baby innocence ookow Mitella trifida Triphysaria pusilla Erythronium oregonum three-toothed mitrewort dwarf owl-clover giant fawn lily, Oregon fawn lily Saxifraga bronchialis ssp. vespertina Veronica americana Fritillaria affinis spotted, matted saxifrage American brooklime chocolate lily, mission bells, rice root, Saxifraga caespitosa *Veronica arvensis Lilium pardalinum var. pardalinum tufted saxifrage common speedwell leopard lily Saxifraga integrifolia Veronica sp. Lilium washingtonianum grassland, northern saxifrage speedwell Cascade lily, Washington lily Maianthemum racemosum *Bromus hordeaceus ssp. hordeaceus false Solomon’s Seal soft brome Maianthemum stellatum *Bromus tectorum starry false Solomon’s seal cheatgrass brome Prosartes hookeri Bromus vulgaris Hooker’s fairy bells Columbia brome Streptopus amplexifolius *Cynosurus echinatus clasping twisted-stalk hedgehog dogtail Trillium ovatum *Dactylis glomerata western trillium orchardgrass Triteleia hyacinthina Danthonia californica hyacinth cluster-lily California oatgrass Veratrum insolitum Elymus glaucus Siskiyou false hellebore blue wildrye Zigadenus venenosus Festuca californica death camas California fescue Orchidaceae Festuca idahoensis Calypso bulbosa Idaho fescue fairy slipper, Calypso orchid Festuca occidentalis Cephalanthera austiniae western fescue phantom orchid Festuca roemeri Corallorhiza maculata Roemer’s fescue spotted coralroot Koeleria macrantha Corallorhiza mertensiana junegrass western coralroot Melica subulata Corallorhiza striata Alaska oniongrass striped coralroot Goodyera oblongifolia western rattlesnake plantain Listera convallarioides broad-lip twayblade Piperia elongata chaparral rein orchid Piperia transversa royal rein orchid Platanthera stricta slender bog orchid

GRAMINOIDS Cyperaceae Carex nigracans black alpine sedge Carex sp. sedge Juncaceae *Luzula multiflora ssp. multiflora field woodrush Poaceae Acnatherum lemmonii Lemmon’s needlegrass *Aira caryophyllea silver hairgrass