Western Sword Fern: Polystichum munitum - Trailhead.
Lady Fern: Athyrium filix-femina ssp. cyclosorum - Trailhead.
Pacific Silver Fir: Abies amabilis
Noble Fir: Abies procera
Western White Pine: Pinus monticola
Ponderosa Pine: Pinus ponderosa var. ponderosa
Douglas Fir: Pseudotsuga menziesii var. menziesii
Pacific Yew: Taxus brevifolia
Western Hemlock: Tsuga heterophylla
Vine Maple: Acer circinatum
Douglas Maple: Acer glabrum var. douglasii
Oregon Boxwood: Paxistima myrsinites - Post bloom.
* Elk Sedge: Carex geyeri
* Pacific Woodrush: Luzula comosa var. laxa
* Lemmon's Needlegrass: Achnatherum lemmonii ssp. lemmonii
* California Brome: Bromus sitchensis (var. carinatus ?)
* Cheatgrass: Bromus tectorum
* Blue Wildrye: Elymus glaucus
* Idaho Fescue: Festuca idahoensis
* Bluegrass: Poa (secunda var. juncifolia ?)
Bluebunch Wheatgrass: Pseudoroegneria spicata
* Wild Ginger: Asarum caudatum
* Tapertip Onion: Allium accuminatum
Sagebrush Mariposa Lily: Calochortus macrocarpus ssp. macrocarpus
* Cascade Mariposa Lily: Calochortus subalpinus
* Bead Lily: Clintonia uniflora - Beginning to bloom.
* Pale-anther Glacier Lily: Erythronium grandiflorum var. pallidum - At the very end of its bloom.
Yellow Bells: Fritillaria pudica - Pods forming on balds atop Monte Cristo.
Columbia Lily: Lilium columbianum - In bud.
* False Solomon Seal: Maianthemum racemosum ssp. amplexicaule
* Star-flowered False Solomon Seal: Maianthemum stellatum
* Hooker's Fairy Bells: Prosartes hookeri
* Western Wakerobin: Trillium ovatum - Fading out of bloom in forest above the trailhead.
* Spotted Coralroot Orchid: Corallorhiza maculata (var. ?) - Beginning to bloom.
Rattlesnake Plantain Orchid: Goodyera oblongifolia
* Heart-leaf Buckwheat: Eriogonum compositum var. compositum
Tall Buckwheat: Eriogonum elatum - In bud.
* Sulfur Buckwheat: Eriogonum umbellatum var. umbellatum - Beginning to bloom.
Douglas' Knotweed: Polygonum douglasii
Leafy Dwarf Knotweed: Polygonum minimum
* Lanceleaf Springbeauty: Claytonia lanceolata - Fading out of bloom.
* Largeleaf Sandwort: Moehringia macrophylla
* Oregon Catchfly: Silene oregana
* Columbia Windflower: Anemone deltoidea
* Western Columbine: Aquilegia formosa
* Upland Larkspur: Delphinium nuttallianum
* Vanilla Leaf: Achlys triphylla
Shining Oregon Grape: Berberis aquifolium - Past bloom.
Cascade Oregon Grape: Berberis nervosa
Inside-out-flower: Vancouveria hexandra
* Black-flowered Rockcress: Boechera atrorubens - Fading out of bloom.
Littleleaf Rockcress: Boechera microphylla
* Hairystem Rockcress: Boechera pauciflora
* Slender Rockcress: Boechera sparsiflora
* Rough Wallflower: Erysimum capitatum
Daggerpods: Phoenicaulis cheiranthoides - Past bloom.
* Wormleaf Stonecrop: Sedum stenopetalum ssp. stenopetalum - Beginning to bloom.
* Three-toothed Mitrewort: Ozomelis trifida
* Simple-leaved Foamflower: Tiarella trifoliata var. unifoliata
* Prickly Currant: Ribes lacustre - Trailhead.
* Red-flowering Currant: Ribes sanguineum - Fading out of bloom.
* Sticky Currant: Ribes viscosissimum
* Serviceberry: Amelanchier alnifolia var. alnifolia
* Sticky Cinquefoil: Drymocallis glandulosa ssp. glandulosa
* Woods Strawberry: Fragaria vesca ssp. californica
Creambush Oceanspray: Holodiscus discolor
* Bittercherry: Prunus emarginata var. emarginata - Fading out of bloom.
* Baldhip Rose: Rosa gymnocarpa
* Dwarf Bramble: Rubus lasiococcus
* Thimbleberry: Rubus nutkanus - Beginning to boom.
* Sitka Mountain Ash: Sorbus sitchensis var. sitchensis - Fading out of bloom.
* Leafy Peavine: Lathyrus polyphyllus
* Spurred Lupine: Lupinus arbustus
* Broadleaf Lupine: Lupinus latifolius var. latifolius
Bighead Clover: Trifolium macrocephalum
* American Vetch: Vicia americana var. americana
* Pioneer Violet: Viola glabella
Round-leaved Violet: Viola orbiculata
Evergreen Violet: Viola sempervirens ?
* Snowbrush: Ceanothus velutinus var. velutinus - Beginning to bloom.
Fireweed: Chamerion angustifolium
* Lowly Groundsmoke: Gayophytum humile
Sharptooth Angelica: Angelica arguta
* Anomalous Desert Parsley: Lomatium anomalum ?
* Nineleaf Desert Parsley: Lomatium brevifolium (L. triternatum)
Columbia Desert Parsley: Lomatium columbianum - Past bloom. Fruits maturing (but not dry yet).
* Common Sweet Cicely: Osmorhiza berteroi
* Western Sweet-cicely: Osmorhiza occidentalis
* Sierra Snakeroot: Sanicula graveolens
* Pinemat Manzanita: Arctostaphylos nevadensis
Little Pipsissewa: Chimaphila menziesii
Pipsissewa: Chimaphila umbellata
Sidebells Wintergreen: Orthillia secunda - In bud.
White-vein Wintergreen: Pyrola picta - In bud.
Thinleaf Huckleberry: Vaccinium membranaceum
Nightblooming Morning Glory: Calystegia atriplicifolia ssp. atriplicifolia
* Columbia Frasera: Frasera albicaulis var. columbiana
Western Starflower: Lysimachia latifolia
Large-flowered Collomia: Collomia grandiflora
* Scarlet Gilia: Ipomopsis aggregata ssp. aggregata - Beginning to bloom.
* Midget Phlox: Microsteris gracilis
* Showy Phlox: Phlox speciosa
Ballhead Waterleaf: Hydrophyllum capitatum var. thompsonii
* Small-flowered Nemophila: Nemophila parviflora var. parviflora
* Varileaf Phacelia: Phacelia heterophylla
Tall Scorpion-weed: Phacelia procera - In bud.
* Cryptanth: Cryptantha sp. - Small flowers.
Western Giant-hyssop: Agastache occidentalis ?
* Harsh Paintbrush: Castilleja hispida var. hispida
* Small-flowered Blue-eyed Mary: Collinsia parviflora
Yakima Bird's-beak: Cordylanthus capitatus - In bud.
Woodland Beardtongue: Nothochelone nemorosa
Sickletop Lousewort: Pedicularis racemosa (var. racemosa ?)
* Sawtooth Shrubby Penstemon: Penstemon fruticosus var. serratus
* Rock Penstemon: Penstemon rupicola
* Finetooth Penstemon: Penstemon subserratus
* Naked Broomrape: Aphyllon purpureum
Twinleaf Bedstraw: Galium bifolium ?
Oregon Bedstraw: Galium oreganum - In bud.
Fragrant Bedstraw: Galium triflorum
Orange Honeysuckle: Lonicera ciliosa
* Purple-flower Honeysuckle: Lonicera conjugialis - Beginning to bloom.
Creeping Snowberry: Symhoricarpos mollis
Scouler's Harebell: Campanula scouleri
* Yarrow: Achillea millefolium
Pathfinder: Adenocaulon bicolor
* Annual Agoseris: Agoseris heterophylla
Pearly Everlasting: Anaphalis margaritacea - Trailhead.
* Rosy Pussytoes: Antennaria rosea
* Racemose Pussytoes: Antennaria racemosa
Heartleaved Arnica: Arnica cordifolia
* Mountain Arnica: Arnica latifolia
* Northwest Balsamroot: Balsamorhiza deltoidea - Past its peak at the summit of Monte Cristo.
* Silvercrown Luina: Cacaliopsis nardosmia
Hall's Goldenweed: Columbiadoria hallii
Slender Hawksbeard: Crepis atribarba ? - In bud.
* Baker's Hawksbeard: Crepis bakeri
Gray Hawksbeard: Crepis intermedia - In bud atop Monte Cristo.
* Oregon Sunshine: Eriophyllum lanatum var. lanatum
Klickitat Aster: Eucephalus glaucescens
* Rocky Mountain Sunflower: Helianthella uniflora var. douglasii - Mostly in bud. Some dense, broad swathes of this along the trail
White-flowered Hawkweed: Hieracium albiflorum
Scouler's Hawkweed: Hieracium scouleri
* Nodding Microseris: Microseris nutans - Fading out of bloom.
Wall Lettuce: Mycelis muralis - Weedy species along parts of the trail.
* Western Groundsel: Senecio integerrimus var. ochroleucus
Red-tailed Hawk
Turkey Vultures
Hermit Thrushes
Black-headed Grosbeaks
Olive-sided Flycatchers
Western Wood Peewees ?
Evening Grosbeaks
Spotted Towhees
Cedar Waxwings
Dark-eyed Juncos
Pine Siskins
Red-breasted Nuthatches
House Wrens
Vaux's Swifts
Western Fence Lizard
Blues
Coronis Fritillarys ?
Mourning Cloak
Anise Swallowtails
Pale Swallowtails
Bumblebees - 3 species, at least.
Lady Bugs