This list includes plants seen within 50 meters distance from the trailhead at Two Pan Camp and along the East Fork Lostine River Trail #1662 up to milepost 4.6 (above Lost Lake).
California White Fir: Abies concolor x Abies grandis
Subalpine Fir: Abies lasiocarpa var. lasiocarpa
Douglas Maple: Acer glabrum var. douglasii
Slide Alder: Alnus viridis ssp. sinuata
Common Juniper: Juniperus communis (var. saxatilis ?)
Western Larch: Larix occidentalis
Engelmann Spruce: Picea engelmannii
Whitebark Pine: Pinus albicaulis
Lodgepole Pine: Pinus contorta var. latifolia
Quaking Aspen: Populus tremuloides
Douglas Fir: Pseudotsuga menziesii (var. ?)
Booth's Willow: Salix boothii ?
Variable Willow: Salix commutata
Mountain Hemlock: Tsuga mertensiana
Water Moss: Fontinalis sp. - In East Fork Lostine Creek above one of the waterfalls.
American Alpine Lady Fern: Athyrium distentifolium var. americanum
Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum
American Parsley Fern: Cryptogramma acrostichoides
Fragile Fern: Cystopteris fragilis
Common Horsetail: Equisetum arvense
Northern Holly Fern: Polystichum lonchitis
* Daggerleaf Rush: Juncus ensifolius
* Merten's Rush: Juncus mertensianus
* Parry's Rush: Juncus parryi
* Hitchcock's Woodrush: Luzula hitchcockii
* Small-flowered Woodrush: Luzula parviflora
* Piper's Woodrush: Luzula piperi
Elk Sedge: Carex geyeri
* Hood's Sedge: Carex hoodii
* Showy Sedge: Carex spectabilis
Blister Sedge: Carex vesicaria
* Slender Woodreed: Cinna latifolia
* Bottlebrush Squirreltail: Elymus elymoides (ssp. brevifolius ?)
* Alpine Timothy: Phleum alpinum
* Spike Trisetum: Trisetum spicatum
American Stinging Nettles: Urtica dioica ssp. gracilis
* Swamp Onion: Allium validum - Beginning to bloom.
Queen's Cup: Clintonia uniflora - Just past bloom.
Star-flowered False Solomon Seal: Maianthemum stellatum ?
* Clasping Twisted Stalk: Streptopus amplexicaulis
* Green False-hellebore: Veratrum viride var. eschscholzianum - Beginning to bloom.
Coralroot: Corallorhiza sp. - Past bloom.
* Rattlesnake Plantain: Goodyera oblongifolia
* Twayblade: Neottia sp. - Past bloom.
* White Bog Candle: Platanthera dilatata var. dilatata
* Slender Bog Orchid: Platanthera stricta
* Pokeweed: Aconogonon phytolaccifolium (var. glabrum ?)
* Piper's Golden Buckwheat: Eriogonum flavum var. piperi
* Mountain Sorrel: Oxyria digyna
* Douglas' Knotweed: Polygonum douglasii
* Sheep Sorrel: Rumex acetosella - At the Two Pan trailhead.
* Pussypaws: Calyptridium umbellatum
* Heartleaf Springbeauty: Claytonia cordifolia
* Siberian Springbeauty: Claytonia siberica
* Prickly Sandwort: Eremogone aculeata
Bigleaf Sandwort: Moehringia macrophylla
* Douglas' Catchfly: Silene douglasii
* Oregon Campion: Silene oregana
* Columbia Monkshood: Aconitum columbianum ssp. columbianum
Baneberry: Actaea rubra
* Yellow Columbine: Aquilegia flavescens
* Tall Larkspur: Delphinium glaucum
* Upland Larkspur: Delphinium nuttallianum
* Rocky Mountain Larkspur: Delphinium stachydeum ?
* Creeping Buttercup: Ranunculus repens - Introduced to moist areas near the junction with the West Fork Lostine River Trail.
Little Buttercup: Ranunculus uncinatus
* Western Meadowrue: Thalictrum occidentale - Fading out of bloom.
False Bugbane: Trautvetteria caroliniensis
Lance-leaf Stonecrop: Sedum lanceolatum var. lanceolatum
* Western Wallflower: Erysimum capitatum var. capitatum
* Western Bog Yellowcress: Rorippa palustris ssp. palustris ?
* Alpine Alumroot: Heuchera cylindrica var. alpina
* Brook Saxifrage: Micranthes odontoloma
* Five-stamen Mitrewort: Mitella pentandra - Fading out of bloom.
Cross-shaped Mitrewort: Mitella stauropetala - Past bloom.
* Fringed Grass-of-Parnassus: Parnassia fimbriata var. fimbriata - Beginning to bloom.
* Foamflower: Tiarella trifoliata var. unifoliata
Prickly Currant: Ribes lacustre
Sticky Currant: Ribes viscosissimum
Mountain Gooseberry: Ribes montigenum
* Shrubby Cinquefoil: Dasiphora fruticosa
* Idaho Cinquefoil: Drymocallis glabrata
Woodland Strawberry: Fragaria vesca ssp. bracteata
Broad-petal Strawberry: Fragaria virginiana ssp. platypetala
* Large-leaved Avens: Geum macrophyllum var. perincisum
* Diverse-leaved Cinquefoil: Potentilla glaucophylla var. glaucophylla
* Fan-leaf Cinquefoil: Potentilla flabellifolia
* Sheep Cinquefoil: Potentilla ovina var. ovina
* North American Red Raspberry: Rubus idaeus ssp. strigosus
* Thimbleberry: Rubus parviflorus - Mostly past bloom.
Sibbaldia: Sibbaldia procumbens
Rocky Mountain Mountain Ash: Sorbus scopulina
Birchleaf Spiraea: Spiraea betulifolia var. lucida
* Subalpine Spiraea: Spiraea splendens
Morton's Canada Milkvetch: Astragalus canadensis (var. mortonii ?) - Not in flower.
* Burke's Lupine: Lupinus burkei
* Least Hopclover: Trifolium dubium - At Two Pan trailhead.
* Red Clover: Trifolium pratense - At Two Pan trailhead and occasional along trail.
* White Clover: Trifolium repens - At Two Pan trailhead and occasional along trail.
Tinker's Penny: Hypericum anagalloides
* Western St. John's Wort: Hypercium scouleri
Hooked-spur Violet: Viola adunca
Stream Violet: Viola glabella
Round-leaved Violet: Viola orbiculata
* Fireweed: Chamerion angustifolium var. canescens
* Enchanter's Nightshade: Circaea alpina
* Common Willowherb: Epilobium ciliatum ssp. glandulosum
* Club-fruited Willowherb: Epilobium clavatum
* Small-flowered Willowherb: Epilobium minutum
* Nuttall's Groundsmoke: Gayophytum diffusum var. parviflorum
* Sharptooth Angelica: Angelica arguta
* Cow Parsnip: Heracelum maximum
* Gray's Lovage: Ligusticum grayi
Common Sweet-cicely: Osmorhiza berteroi
Western Sweet-cicely: Osmorhiza occidentalis
* Pipsissewa: Chimaphila umbellata
* Single Delight: Moneses uniflora
* Sidebells Pyrola: Orthilia secunda
* Red Mountain Heather: Phyllodoce empetriformis
* Western Labrador Tea: Rhododendron columbianum
Dwarf Bilberry: Vaccinium caespitosum
Thinleaf Huckleberry: Vaccinium membranaceum - Fruits ripening.
Grouseberry: Vaccinium scoparium
* Alpine Shooting Star: Dodecatheon alpinum
Large-flowered Collomia: Collomia grandiflora
Narrow-leaved Collomia: Collomia linearis
* Nuttall's Linanthus: Leptosiphon nuttallii ssp. nuttallii
* California Polemonium: Polemonium californicum
* Purple Phacelia: Phacelia hastata var. alpina - Beginning to bloom.
* Northern Bluebells: Mertensia paniculata var. borealis
* Nettleleaf Horsemint: Agastache urticifolia var. urticifolia
* Self Heal: Prunella vulgaris var. lanceolata
* Wallowa Paintbrush: Castilleja chrysantha
* Common Paintbrush: Castilleja miniata var. miniata
* Rocky Mt. Paintbrush: Castilleja rhexifolia
* Common Monkeyflower: Erythranthe guttata
* Lewis' Monkeyflower: Erythranthe lewisii
* Musk Monkeyflower: Erythranthe moschata
* Primrose Monkeyflower: Erythranthe primuloides
* Tiling's Monkeyflower: Erythranthe tilingii
* Thick Root Towering Lousewort: Pedicularis bracteosa var. pachyrhiza
* Coiled-beak Lousewort: Pedicularis contorta
* Elephant Heads: Pedicularis groenlandica
* Shrubby Penstemon: Penstemon fruticosus var. fruticosus
* Globe Penstemon: Penstemon globosus
* American Brooklime: Veronica americana
* Cusick's Speedwell: Veronica cusickii
* Brightblue Speedwell: Veronica serpyllifolia ssp. humifusa
* Alpine Speedwell: Veronica wormskjoldii
* Broad-leaved Plantain: Plantago major - At the Two Pan trailhead.
* Fragrant Bedstraw: Galium triflorum
* Kelloggia: Kelloggia galioides
* Mountain Heliotrope: Valeriana sitchensis
* Black Twinberry: Lonicera involucrata var. involucrata - Blooming at Lost Lake, otherwise the fruits are blackening.
Utah Honeysuckle: Lonicera utahensis - Berries ripening.
* Black Elderberry: Sambucus racemosa (var. melanocarpa ?) - A few plants still in bloom. Fruits not ripe.
Common Snowberry: Symphoricarpos albus var. laevigatus
* Yarrow: Achillea millefolium
* Orange Agoseris: Agoseris aurantiaca
* Pearly Everlasting: Anaphalis margaritacea
* Field Pussytoes: Antennaria howllii (ssp. neodioica ?) - Fading out of bloom.
* Woolly Pussytoes: Antennaria lanata
* Rosy Pussytoes: Antennaria rosea - Mostly past bloom.
* Heartleaf Arnica: Arnica cordifolia
* Sticky Arnica: Arnica diversifolia
* Longleaf Arnica: Arnica longifolia - Beginning to bloom.
* Hairy Arnica: Arnica mollis
* Nodding Arnica: Arnica parryi
* Canada Thistle: Cirsium arvense - Occasional along the first mile of trail.
* Coulter's Fleabane: Erigeron coulteri
* Peregrine Fleabane: Erigeron glacialis var. glacialis
* Spear-leaved Fleabane: Erigeron lonchophyllus
* White-flowered Hawkweed: Hieracium albiflorum
* Slender Hawkweed: Hieracium gracile
* Scouler's Hawkweed: Hieracium scouleri
* Oxeye Daisy: Leucanthemum vulgare - Occasional along the first mile of trail.
* Hayden's Tundra Aster: Orestemma alpigenum var. haydenii
* Alpine Meadow Groundsel: Packera subnuda var. subnuda
* Western Coneflower: Rudbeckia occidentalis
American Saw-wort: Saussurea americana - In bud.
* Dwarf Mountain Groundsel: Senecio fremontii var. fremontii
* Arrowleaf Butterweed: Senecio triangularis
* Northern Goldenrod: Solidago multiradiata - Beginning to bloom.
* Cusick's Leafy Aster: Symphyotrichum cusickii
* Western Mountain Aster: Symphyotrichum spathulatum var. spathulatum
Common Dandylion: Taraxacum officinale
Red Squirrels
Richardson's Ground Squirrels ?
Townsend's Chipmunks ?
Pika
Mule Deer
Belted Kingfisher
Dipper
Clark's Nutcrackers
Chipping Sparrows
Dark-eyed Juncos
Savannah Sparrows
Song Sparrows
White-crowned Sparrows
Pine Siskins
Mountain Chickadees
Golden-crowned Kinglets
Ruby-crowned Kinglets
Winter Wrens
Western Toad
Mariposa Coppers on Symphiotricum cusickii
Hairstreaks
Police Car Moth (Gnophaela vermiculata)