| Scientific Name: | Common Name: | Habitat: | ||
| Ferns | ||||
| Polypodiaceae | ||||
| Cheilanthes gracillima | lace lip-fern | Crevices of exposed quartzite. | ||
| Cystopteris fragilis | brittle bladder-fern | Base of moist rocks. | ||
| Polypodium hesperium | polypody | Rock crevices. | ||
| Polystichum munitum | swordfern | Deep shade. | ||
| Pteridium aquilinum | bracken; brake-fern | N. slope, few other areas. | ||
| Conifers | ||||
| Pinaceae | ||||
| Abies grandis | grand fir | Restricted to two draws and areas adjacent to summit. | ||
| Larix occidentalis | western larch | Throughout N. side. | ||
| Pinus ponderosa | ponderosa pine | Present in southern draws, dry portions of N. slope and on ridge. | ||
| Pseudotsuga menziesii | Douglas fir | Found on N. side; E. of summit ridge on S. side. | ||
| Flowering plants | ||||
| Monocots | ||||
| Cyperaceae | ||||
| Carex concinnoides | northwest sedge | Very abundant on N. side, especially where moist. | ||
| Carex geyeri | elk sedge | Dry habitat. | ||
| Iridaceae | ||||
| Sisyrinchium inflatum | purple-eyed grass; grass widows | Abundant. | ||
| Juncaceae | ||||
| Luzula campestris | sweep's brush; woodrush | Restricted to deep shade on the N. side. | ||
| Liliaceae | ||||
| Allium acuminatum | Hooker's onion | Abundant in meadow. | ||
| Calochortus elegans | elegant cat's-ear | Most abundant on rocky soil near the summit. | ||
| Calochortus macrocarpus | green-banded star-tulip | Rare in open areas. | ||
| Disporum trachycarpum | sierra fairybell | Deep shade. | ||
| Erythronium grandiflorum | fawn-lily; glacier lily | Found throughout the butte. | ||
| Fritillaria pudica | yellow bell | Present throughout the S. side. | ||
| Smilacina racemosa | western Solomon's-plume | Restricted to moist forest sites on the N. side. | ||
| Smilacina stellata | false Solomon's-seal | Wide variety of sites, patchy distribution. | ||
| Trillium ovatum | wake-robin; white trillium | Moist forest sites. | ||
| Trillium petiolatum | purple trillium | Small population near picnic area. | ||
| Triteleia grandiflora | Douglas's triteleia | Among grasses. | ||
| Veratrum californicum | California false-hellebore | Moist area. | ||
| Zigadenus venenosus | death-camas | Only on the S. side on shallow rocky soil and on deeper meadows. | ||
| Orchidaceae | ||||
| Calypso bulbosa | Venus-slipper | Moist woods beneath shrubs. | ||
| Cypripedium montanum | lady's-slipper orchid | Moist, dense forest.. | ||
| Goodyera oblongifolia | giant rattlesnake plantain | Rare in deep shade. | ||
| Habenaria greenei | Green's bog-orchid | Restricted to well-drained shady forest. | ||
| Habenaria unalascensis | Alaska rein-orchid | On ridge. | ||
| Piperia maritima | elegant bog orchid | Moist, forested sites. | ||
| Poaceae | ||||
| Agropyron spicatum | bluebunch wheatgrass | |||
| Bromus brizaeformis | rattlesnake grass | Observed in all areas, especially on the S. side on shallow soils. | ||
| Bromus carinatus | California brome | Observed in most areas, abundant on trails and deer paths. | ||
| Bromus japonicus | Japanese brome | Disturbed sites, especially on S. side beyond park. | ||
| Bromus tectorum | downy cheatgrass | Present throughout butte, especially on S. side. | ||
| Bromus vulgaris | Columbia brome | Open sites on N. side. | ||
| Dactylis glomerata | orchard-grass | Disturbed areas on N. side, especially on trail. | ||
| Elymus caput-medusae | Medusa-head wildrye | Found only at base of the butte on S. side. | ||
| Elymus glaucus | western rye-grass | Found in disturbed areas. | ||
| Festuca idahoensis | Idaho fescue | Found on S. side with Agropyron. | ||
| Phleum pratense | common timothy | Found throughout butte. | ||
| Poa bulbosa | bulbous bluegrass | Disturbed sites on the N. side in forest openings. | ||
| Poa nervosa | Wheeler's bluegrass | Disturbed sites on the N. side in forest openings, large population near campground. | ||
| Poa pratensis | Kentucky bluegrass | Found in several swards on S. side. | ||
| Poa sandbergii | Sandberg's bluegrass | Most abundant on rocky soil. | ||
| Dicots | ||||
| Aceraceae | ||||
| Acer negundo | box elder | |||
| Apiaceae | ||||
| Heracleum lanatum | cow-parsnip | Along trail at seepage form rock face. | ||
| Lomatium dissectum | fern-leaved lomatium | Throughout the S. side. | ||
| Lomatium gormanii | Gorman's lomatium | S. slope. | ||
| Lomatium grayi | Gray's lomatium | Most populations among rocks. | ||
| Lomatium macrocarpum | large-fruit lomatium | S. slope and ridge. | ||
| Lomatium triternatum | nine-leaved lomatium | S. slope and ridge. | ||
| Osmorhiza chilensis | mountain sweet-root | Restricted to moist shady sites on the N. side. | ||
| Perideridia gairdneri | Gairdner's yampah | E. side of the summit ridge. | ||
| Apocynaceae | ||||
| Apocynum androsaemifolium | spreading dogbane | On ridge, S. slope and forest openings. | ||
| Asteraceae | ||||
| Achillea millefolium | yarrow | All areas of the butte where there is full sun. | ||
| Agoseris heterophylla | false dandelion | In sun along trail and open places. | ||
| Anaphalis margaritacea | pearly-everlasting | Along trail and open areas. | ||
| Antennaria luzuloides | woodrush pussytoes | Only in dry exposed areas and among grasses. | ||
| Antennaria microphylla | rosy pussytoes | Rare on loamy soils on exposed sites. | ||
| Antennaria racemosa | raceme pussytoes | |||
| Anthemis cotula | mayweed chamomile | Disturbed habitat. | ||
| Arnica cordifolia | heart-leaf arnica | Common in forest openings. | ||
| Artemisia absinthium | wormwood | On disturbed soil. | ||
| Aster conspicuus | showy aster | Found in all areas of the butte. | ||
| Aster occidentalis | western mountain aster | All areas of the butte except summit. | ||
| Balsamorhiza sagittata | arrowleaf balsamroot | On open ridge and S. side of butte. | ||
| Centaurea solstitialis | ||||
| Cirsium vulgare | bull thistle | Found throughout butte, most abundant on several overgrazed areas S. and W. of summit near the base of the butte. | ||
| Crepis atribarba | slender hawksweed | Distribution patchy with abundant populations on the deeper soils. | ||
| Erigeron corymbosus | foothill daisy | |||
| Gaillardia aristata | blanketflower | One population along the trail. | ||
| Helianthella uniflora | little sunflower | Largest population is found at the W. end beyond the summit. | ||
| Hieracium albertinum | western hawkweed | In meadow and among rocks along ridge. | ||
| Hieracium albiflorum | white-flowered | In open forest sites in partial sun, hawkweed most abundant under Pinus. | ||
| Lactuca pulchella | blue lettuce | Open sites in the forest and disturbed sites. | ||
| Matricaria matricarioides | pineapple weed | Disturbed sites throughout the butte, especially near parking lots, rare on S. side. | ||
| Madia exigua | little tarweed | Ridge and S. slope. | ||
| Microseris nutans | nodding microseris | Abundant on the W. end and on deeper soils, not among rocks. | ||
| Pyrrocoma carthamoides | Columbia goldenweed | |||
| Senecio integerrimus | western groundsel | |||
| Senecio serra | butterweed groundsel | Protected and moist habitat. | ||
| Solidago canadensis | Canada goldenrod | Patchy distribution on moist sites in partial shade. | ||
| Solidago missouriensis | Missouri goldenrod | |||
| Tanacetum vulgare | tansy | Disturbed sites near parking lot and campground. | ||
| Taraxacum officinale | dandelion | Disturbed sites throughout, large population in picnic area. | ||
| Tragopogon dubius | goat's-beard | |||
| Wyethia amplexicaulis | mule's-ear | Abundant on W. end. | ||
| Berberidaceae | ||||
| Berberis repens | creeping Oregon grape | Moist forest floor. | ||
| Boraginceae | ||||
| Cynoglossum officinale | common hound's-tongue | Found throughout the butte. | ||
| Lithospermum ruderale | Columbia puccoon; western gromwell | Exposed rocky soils on the S. side. | ||
| Mertensia longiflora | long-flowered bluebell | Open woods and S. side meadows. | ||
| Myosotis micrantha | forget-me-not | On S. side and in open sites in the dry forest. | ||
| Brassicaceae | ||||
| Alyssum alyssoides | alyssum | On drier soils and disturbed sites. | ||
| Arabis sparsiflora | sicklepod rockcress | Intermediate soils between meadow and rocks. | ||
| Athysanus pusillus | sandweed | On rocky soil. | ||
| Barbarea orthoceras | American watercress | In partial shade on moist soil. | ||
| Capsella bursa-pastoris | shepherd's-purse | Abundant along trails, campground and other disturbed places. | ||
| Draba verna | spring whitlow-grass | Present throughout the butte. | ||
| Sisymbrium altissimum | tumblemustard | Abundant on the W. end in over-grazed S. slopes, and along the road to the television tower. | ||
| Campanulaceae | ||||
| Campanula rapunculoides | creeping bellflower | Along trail. | ||
| Caprifoliaceae | ||||
| Linnaea borealis | twinflower | Deep shade on forest floor. | ||
| Sambucus cerulea | blue elderberry | Near trail and at the bottom of the draw W. of the summit. | ||
| Symphoricarpos albus | common snowberry | Throughout, in all habitat types. | ||
| Caryophyllaceae | ||||
| Arenaria congesta | ballhead sandwort | S. slope and in conspicuous groups at base of road cut. | ||
| Arenaria macrophylla | bigleaf sandwort | On moist soils with patchy distribution. Very common. | ||
| Cerastium tomentosum | chickweed | |||
| Silene douglasii | Douglas's silene | Usually in partial shade, or at moist sites in the sun. | ||
| Silene menziesii | Menzies's silene | Rare on the N. side. | ||
| Stellaria media | chickweed | Disturbed sites throughout. | ||
| Clusiaceae | ||||
| Hypericum perforatum | common St. John's-wort | On disturbed sites and open areas in the forest. | ||
| Cornaceae | ||||
| Cornus stolonifera | red-osier dogwood | In moist depression area. | ||
| Crassulaceae | ||||
| Sedum stenopetalum | wormleaf stonecrop | Very abundant on shallow rocky soil. | ||
| Dipsacaceae | ||||
| Dipsacus sylvestris | teasel | This species is well established on the S. slopes outside of park boundaries, large population found in draw W. of the summit at approximately 3100 ft. | ||
| Ericaceae | ||||
| Vaccinium globulare | globe huckleberry | |||
| Fabaceae | ||||
| Astragalus arrectus | Palouse milkvetch | S. slope below the summit.. | ||
| Astragalus canadensis | Canadian milkvetch | North side of the butte. | ||
| Lupinus polyphyllus | many-leaved lupine | Moist border of forest. | ||
| Lupinus sericeus | silky lupine | Among grasses and in open forest sites. | ||
| Trifolium hybridum | alsike clover | Along trails. | ||
| Trifolium pratense | red clover | Along trails. | ||
| Trifolium repens | Dutch clover | Deer paths and trails. | ||
| Vicia villosa | woolly vetch | S. slope and forest openings. | ||
| Gentianaceae | ||||
| Frasera fastigiata | clustered frasera | Openings on N. slope. | ||
| Geraniaceae | ||||
| Geranium viscosissimum | sticky purple geranium | A large and robust population below the summit, moist shade. | ||
| Hydrangeaceae | ||||
| Philadelphus lewisii | mock-orange | |||
| Hydrophyllaceae | ||||
| Hydrophyllum capitatum | ballhead waterleaf; woolly breeches | On moist shady sites. | ||
| Lamiaceae | ||||
| Nepeta cataria | catmint | Established in moist draws. | ||
| Prunella vulgaris | coyote mint; heal-all | Moist and shaded sites on the N. side. | ||
| Onagraceae | ||||
| Circaea alpina | enchanter's nighshade | N. slope in forest. | ||
| Clarkia pulchella | elkhorns; ragged robin | Meadow of S. slpoe and along trails. | ||
| Epilobium angustifolium | fireweed; blooming Sally | Large population found on trail. | ||
| Orobanchaceae | ||||
| Orobanche uniflora | naked broomrape | Apparently parasitic on Lomatium macrocarpum and Eriogonum heracleoides. | ||
| Plantaginaceae | ||||
| Plantago major | common plantain | Disturbed sites on the N. side, especially on trails and near parking lots. | ||
| Polemoniaceae | ||||
| Collomia grandiflora | large-flowered collomia | Open forest and forest margins. | ||
| Collomia linearis | narrow-leaved collomia | |||
| Ipomopsis aggregata | sky rocket | Most abundant on rocky soils, full sun and well-drained soil. | ||
| Phlox gracilis | pink microsteris | Abundant on moist sites on the S. side. | ||
| Phlox speciosa | showy phlox | On the S. side and most abundant on the W. end. | ||
| Polygonaceae | ||||
| Eriogonum heracleoides | parsnip-flowered eriogonum | On rocky soils. | ||
| Polygonum convolvulus | climbing, knot, or ivy bindweed | Disturbed area E. side. | ||
| Portulacaceae | ||||
| Claytonia lanceolata | lanceleaf springbeauty | Throughout butte. | ||
| Claytonia perfoliata | miner's lettuce | Moist sites. | ||
| Claytonia rubra | little red miner's lettuce | Disturbed sites, open areas. | ||
| Montia linearis | Open areas, early in the season. | |||
| Primulaceae | ||||
| Dodecatheon cusickii | Cusick's shooting-star | Ridge. | ||
| Ranunculaceae | ||||
| Anemone piperi | windflower | In forest. | ||
| Clematis hirsutissima | sugar bowls | |||
| Delphinium nuttallianum | upland larkspur | Ridge and S. slope. | ||
| Ranunculus glaberrimus | sagebrush buttercup | |||
| Thalictrum occidentale | western meadowrue | N slope. | ||
| Rhamnaceae | ||||
| Ceanothus sanguineus | Oregon tea-tree | Very abundant on W. end, occasionally at E. end. | ||
| Rosaceae | ||||
| Amelanchier alnifolia | serviceberry | Common on S. slope and ridge. | ||
| Crataegus douglasii | black hawthorn | Throughout butte in moist draws, largest population at W. end on N. side. | ||
| Fragaria virginiana | strawberry | Distribution is patchy and populations are found in partially sunny areas. | ||
| Geum triflorum | prairie smoke avens | |||
| Holodiscus discolor | creambush; ocean spray | N. side. | ||
| Physocarpus malvaceus | mallow ninebark | The most abundant shrub on the N. side. | ||
| Potentilla glandulosa | sticky cinquefoil | Moist shaded sites. | ||
| Potentilla gracilis | cinquefoil | |||
| Prunus emarginata | bittercherry | Very abundant locally in the draws. | ||
| Prunus virginiana | common chokecherry | In draw E. of summit ridge, on E. end, and on campground road. | ||
| Rosa nutkana | Nootka rose | |||
| Sorbus scopulinum | Cascade mountain-ash | Along trail on N. side | ||
| Spiraea betulifolia | Hardhack | Open areas, most abundant under Pinus. | ||
| Rubiaceae | ||||
| Galium boreale | northern bedstraw | Moist and shady sites along trails and under shrubs. | ||
| Salicaceae | ||||
| Populus tremuloides | quaking aspen | Between summit and the W. end. | ||
| Salix rigida | willow | Along road. | ||
| Salix scouleriana | Scouler's willow | Along road near campground. | ||
| Santalaceae | ||||
| Comandra umbellata | bastard toad-flax | Rare among the rocks. | ||
| Saxifragaceae | ||||
| Heuchera cylindrica | roundleaf alumroot | Moist shade under forest and on ridge. | ||
| Lithophragma bulbifera | rocketstar | Bare moist soil among the grasses, and on mosses on moist south-facing rocks. | ||
| Lithophragma parviflora | smallflower prairiestar | On open S. slopes, forest openings and disturbed sites in the forest. | ||
| Scrophulariaceae | ||||
| Besseya rubra | red besseya | Grassland | ||
| Castilleja angustifolia. | northwest paintbrush | On ridge. | ||
| Castilleja hispida | harsh paintbrush | Abundant on rocky soil. | ||
| Castilleja miniata | scarlet paintbrush | |||
| Collinsia parviflora | small-flowered blue-eyed Mary | Throughout butte, most abundant in places forming a complete ground cover among the grasses on the S. side. | ||
| Digitalis purpurea | foxglove | N. slope along trail. | ||
| Penstemon attenuatus | taper-leaved penstemon | Ridge. | ||
| Synthyris missurica | kittentails | |||
| Verbascum thapsus | mullein | Disturbed areas throughout butte. | ||
| Valerianaceae | ||||
| Plectritis macrocera | Common on open ridge and S. slope. | |||
| Violaceae | ||||
| Viola adunca | early blue violet | Moist shady sites on N. side. | ||