National Park Service U.S. Department of the Interior Crater Lake National Park (CRLA) Vascular Plants Checklist Vascular Plants Alismatales/Araceae [ ] Lemna minor duckweed [ ] * Lysichiton americanusskunk cabbage Alismatales/Potamogetonaceae [ ] Potamogeton pusillus var.Berchtold's tenuissimus pondweed Alismatales/Tofieldiaceae [ ] Tofieldia glutinosa Tofieldia [ ] * Tofieldia occidentalis Apiales/Apiaceae [ ] Angelica genuflexa bentleaf or kneeling angelica [ ] Heracleum lanatum Cow Parsnip [ ] Ligusticum grayi Gray's Licoriceroot, Gray's lovage, Lovage [ ] Lomatium martindaleicoast range lomatium, few-fruited lomatium, Martindale's lomatium [ ] Lomatium nudicaule barestem lomatium, pestle parsnip [ ] Lomatium triternatumnineleaf biscuitroot [ ] Osmorhiza berteroi Mountain Sweet Cicely [ ] Osmorhiza depauperatablunt- fruited sweet cicely [ ] Osmorhiza purpurea purple sweet cicely, Sweet Cicely [ ] Oxypolis occidentalis Western Oxypolis, western sweet cicely [ ] Sanicula graveolens northern sanicle, Sierra sanicle [ ] Sphenosciadium capitellatumSwamp Whiteheads, swamp white-heads, woolly-head parsnip Apiales/Araliaceae [ ] Oplopanax horridus Devil's Club Asparagales/Amaryllidaceae [ ] Allium amplectens slim-leaf onion [ ] * Allium geyeri Geyer onion, Geyer's onion [ ] Allium validum swamp onion Asparagales/Asparagaceae [ ] Camassia leichtlinii camas, great camas, large camas [ ] Dichelostemma congestumookow [ ] Maianthemum stellatumstar-flowered Solomon-plume, starry Solomon-plume [ ] Smilacina racemosa [ ] Triteleia hyacinthina white brodiaea Asparagales/Iridaceae [ ] Iris chrysophylla yellow-flowered iris [ ] * Sisyrinchium californicumgolden-eyed grass [ ] Sisyrinchium idahoenseblue-eyed grass Asparagales/Orchidaceae [ ] Calypso bulbosa fairy slipper, Venus slipper [ ] Cephalanthera austiniaephantom orchid [ ] Corallorrhiza maculataspotted coralroot [ ] Corallorrhiza mertensianaPacific coralroot [ ] Corallorrhiza striata striped coralroot [ ] Goodyera oblongifoliarattlesnake plantain [ ] Listera caurina northwest twayblade [ ] Listera convallarioidesbroad-leaved twayblade, Merten's or western coralroot [ ] Listera cordata heart-leafed twayblade [ ] Piperia unalascensis dryland habenaria [ ] Platanthera dilatata boreal bog orchid, scentbottle, white bog orchid [ ] Platanthera leucostachyswhite bog orchid [ ] Platanthera stricta green bog orchid [ ] Spiranthes romanzoffianaladies tresses, Ladies-tresses Asterales/Asteraceae [ ] Achillea millefolium milfoil, Yarrow [ ] Adenocaulon bicolor pathfinder, Silver Green, silvergreen, trailplant [ ] Ageratina occidentaliswestern eupatorium [ ] Agoseris aurantiaca orange agoseris [ ] Agoseris glauca pale agoseris, pale dandelion, prairie dandelion [ ] Agoseris grandiflora large flowered agoseris [ ] Agoseris heterophylla annual agoseris [ ] Agoseris retrorsa spear-leaf agoseris [ ] Anaphalis margaritaceaEverlasting, pearly everlasting [ ] Antennaria geyeri Geyer's Everlasting, pinewood or Geyer's pussytoes [ ] Antennaria media alpine pussytoes [ ] Antennaria racemosa Everlasting, racemed pussytoes [ ] Antennaria rosea Rose Colored Everlasting [ ] Arnica amplexicaulis clasping or streambank arnica [ ] Arnica chamissonis Chamisso's Arnica [ ] Arnica cordifolia Heart-leaf Arnica, heart-leaved arnica [ ] Arnica discoidea rayless arnica [ ] Arnica longifolia Long-leaf Arnica, seep-spring arnica [ ] Arnica mollis hairy arnica, Sweet-berry Honeysuckle [ ] Arnica parryi nodding arnica, Parry's arnica, Sonne's arnica [ ] Arnica rydbergii Rydberg's arnica, subalpine arnica [ ] Arnica viscosa Gummy Arnica, Shasta arnica [ ] Arnica X diversifolia sticky arnica [ ] * Artemisia ludoviciana ssp.silver ludoviciana wormwood, western mugwort [ ] Artemisia tridentata ssp.big vaseyana sage, mountain sagebrush [ ] Artemisia vulgaris ssp. ludoviciana [ ] Aster ascendens long-lived aster [ ] * Aster eatonii Eaton's aster [ ] Aster foliaceus var. parryileaf- bracted or leafy aster [ ] Aster fremonti [ ] Aster ledophyllus Aster, Cascade aster [ ] Aster modestus Aster [ ] Aster occidentalis western aster, Western mountain aster [ ] Aster shastensis var. eradiatusShasta Aster [ ] Aster shastensis var. glossophyllusShasta Aster [ ] Bidens cernua bur-marigold, nodding beggar's ticks [ ] * Canadanthus modestusfew-flowered aster, great northern aster [ ] * Centaurea biebersteiniispotted knapweed [ ] Chaenactis douglasii Douglas dustymaiden, Douglas' dustymaiden, Douglas' pincushion, dusty maiden, dusty-maiden [ ] Chrysothamnus nauseosusGray ssp.Rabbit speciosus Brush [ ] Chrysothamnus nauseosus var. albicaulis [ ] Cichorium intybus blue-sailors, chicory, wild succory [ ] Cirsium arvense Canada thistle [ ] Cirsium vulgare bull thistle [ ] Ericameria bloomeri Bloomer's rabbitbrush, goldenweed [ ] Erigeron acris ssp. acrisbitter var. debilisfleabane [ ] Erigeron acris var. debilis [ ] Erigeron aliceae Alice fleabane, Eastwood's daisy, Fleabane [ ] * Erigeron cascadensis Cascade fleabane [ ] Erigeron compositus cut-leaved daisy, dwarf mountain fleabane [ ] * Erigeron coulteri Coulter's daisy or fleabane [ ] Erigeron elegantulus blue dwarf fleabane, volcanic daisy [ ] Erigeron foliosus var. confinisleafy fleabane [ ] Erigeron linearis desert yellow daisy, line-leaved fleabane, Narrow-leaved Fleabane [ ] Erigeron peregrinus ssp.subalpine callianthemus or wandering daisy [ ] Erigeron philadelphicusFleabane, Philadelphia fleabane or daisy [ ] Eriophyllum lanatum common woolly sunflower, woody eriophyllum, woolly eriophyllum, wooly daisy [ ] Eupatorium occidentaleWestern Boneset, Western Thoroughwort [ ] Gnaphalium canescens ssp. thermale [ ] Gnaphalium microcephalumWhite Everlasting, Cubweed [ ] Gnaphalium palustre lowland cudweed [ ] Gnaphalium uliginosummarsh cudweed [ ] Haplopappus bloomeriBloomer's Rabbit Brush [ ] Helenium bigelovii Bigelow's sneezeweed [ ] Hieracium albiflorum Hawkweed, White Flowered Hawkweed, white-flowered hawkweed [ ] Hieracium bolanderi Bolander's Hawkweed [ ] Hieracium cynoglossoidesDog-leaf Hawkweed, hounds-tongue hawkweed [ ] Hieracium gracile alpine hawkweed, Slender Hawkweed, Yellow Hawk Weed [ ] Hieracium greenei Greene's hawkweed, Green's Hawkweed [ ] Hieracium horridum Hawkweed, shaggy hawkweed [ ] Hieracium scouleri houndstongue hawkweed, Scouler's woollyweed, woolyweed [ ] Hulsea nana Dwarf Hulsea [ ] * Hypochaeris radicata gosmore, hairy cats-ear, spotted cats-ear [ ] Lactuca serriola Prickly Lettuce [ ] * Leucanthemum vulgaredaisy [ ] Madia bolanderi Bolander's Tarweed [ ] Madia gracilis slender or common tarweed [ ] Madia minima small-head tarweed [ ] Nothocalais alpestris alpine lake agoseris, false agoseris [ ] * Pseudognaphalium canescensslender orssp. white microcephalum cudweed [ ] * Pseudognaphalium canescenscudweed, ssp. everlasting thermale [ ] Raillardella argentea Silver Flower, silverflower [ ] Rudbeckia occidentaliswestern coneflower [ ] Senecio canus woolly groundsel [ ] Senecio howellii [ ] Senecio integerrimus western groundsel [ ] Senecio pseudaureus falsegold groundsel [ ] Senecio sylvaticus wood groundsel [ ] Senecio triangularis Arrowleaf Groundsel, Triangular-leaved Groundsel [ ] Solidago canadensis var.Canada salebrosa goldenrod [ ] Solidago elongata Golden Rod, Goldenrod [ ] Stephanomeria lactucinalarge-flowered wirelettuce, Wine Lettuce [ ] Taraxacum officinale Common Dandelion [ ] Taraxacum officinale ssp.common vulgare dandelion [ ] Taraxacum palustre var.Common vulgare Dandelion [ ] Tragopogon dubius Goat's Beard, yellow salsify Asterales/Campanulaceae [ ] Asyneuma prenanthoidesCalifornia bluebell, California harebell [ ] Campanula scouleri Scouler's harebell or bluebell [ ] Heterocodon rariflorumheterocodon Asterales/Menyanthaceae [ ] Menyanthes trifoliata bog buckbean, Buckbean Boraginales/Boraginaceae [ ] Cryptantha affinis Slender Cryptantha [ ] * Cryptantha sheldonii Sheldon's Nievitas [ ] Cryptantha simulans pine woods cryptantha [ ] Cryptantha sobolifera Wallowa oreocarya [ ] * Cryptantha subretusa [ ] Cryptantha torreyana Torrey's cryptantha [ ] Cynoglossum occidentalewestern hound's-tongue [ ] Hackelia californica California stickseed, White Stickseed [ ] * Hackelia jessicae Blue Stickseed [ ] Hackelia micrantha blue stickseed, Stickseed [ ] Hackelia velutina stickseed [ ] Mertensia paniculata var.tall bluebellsborealis [ ] Mertensia platyphylla var.lungwort subcordata [ ] Plagiobothrys hispidusbristly popcorn flower, Popcorn Flower Boraginales/Hydrophyllaceae [ ] Hydrophyllum fendleriFendler's var. albifrons waterleaf [ ] Nemophila parviflora var.small-flowered parviflora nemophila [ ] * Phacelia frigida ssp. frigidacold phacelia [ ] * Phacelia hastata var. compactacompact phacelia, timberline phacelia [ ] Phacelia hastata var. hastatamountan phacelia [ ] Phacelia mutabilis variable phacelia Brassicales/Brassicaceae [ ] Arabis glabra Tower Mustard [ ] Arabis holboellii var. retrofractaHolboell's rockcress [ ] Arabis holboellii var. secunda [ ] Arabis lemmonii var. lemmoniiLemmon's rockcress [ ] Arabis lyallii var. lyalliiLyall's rockcress [ ] Arabis platysperma Flat-pod Rock Cress [ ] Arabis rectissima var. rectissimabristly- leaved rockcress [ ] Arabis suffrutescens woody rockcress [ ] * Barbarea americana [ ] Barbarea orthoceras American wintercress [ ] * Barbarea vulgaris bitter or common wintercress, Bittercress, yellow rocket [ ] * Brassica campestris Field Mustard [ ] Brassica rapa var. rapafield or common mustard [ ] Capsella bursa-pastorissheperd's purse [ ] Cardamine bellidifolia alpine bittercress [ ] Cardamine pensylvanicabittercress,