* indicates the wildflower is blooming.
Douglas' Spikemoss: Selaginella douglasii
Wallace's Spikemoss: Selaginella wallacei
Western Maidenhair Fern: Adiantum aleuticum
Northwestern Lady Fern: Athyrium filix-femina var. cyclosorum
American Parsley Fern: Cryptogramma acrostichoides
Brittle Fern: Cystopteris fragilis
Pacific Polypody: Polypodium amorphum
Licorice Root: Polypodium glycyrrhiza
Sword Fern: Polystichum munitum
Laurentian Cliff Fern: Woodsia scopulina ssp. laurentiana
Giant Horsetail: Equiseum telmatia
Vine Maple: Acer circinatum
Douglas Maple: Acer glabrum var. douglasii
* Bigleaf Maple: Acer macrophyllum - Fading out of bloom.
* Oregon White Oak: Quercus garryana var. garryana
Nodding Onion: Allium cernuum
* Hooker's Fairy Bells: Disporum hookeri
* Mission Bells: Fritillaria affinis - A few plants still in bloom.
Columbia Tiger Lily: Lilium columbianum - Several plants to a foot high.
* False Solomon Seal: Maianthemum racemosum ssp. amplexicaule
Bronze Bells: Anticlea occidentalis - In bud.
* Clasping-leaf Twisted Stalk: Streptopus amplexifolius - A few plants in bloom in moist areas along the lower trail near Elowah Falls.
* Wood Lily, Trillium: Trillium ovatum - A few plants in bloom, mostly fading out of bloom.
* Fairy Slipper Orchid, Deer's-head Orchid: Calypso bulbosa - A few plants still in bloom along the lower trail.
* Wild Ginger: Asarum caudatum
Heartleaf Buckwheat: Eriogonum compositum var. compositum
* Linear-leaved Springbeauty: Claytonia parviflora ssp. parviflora
* Miner's Lettuce: Claytonia perfoliata ssp. perfoliata - A few in bloom
* Candy Flower, Siberian Spring Beauty: Claytonia sibirica - Common.
Little-leaf Montia: Montia parvifolia
* Field Chickweed: Cerastium arvense
* Big-leaf Sandwort: Moehringia macrophyllum
Baneberry: Actaea rubra
Columbia Wind Flower: Anemone deltoidea - In bud.
* Rockslide Larkspur: Delphinium glareosum- Now in bloom.
* Western Meadow-rue: Thalictrum occidentale - Good bloom at lower elevations.
Vanilla Leaf: Achlys triphylla
* Shining Oregon Grape: Berberis aquifolium - Fading out of bloom.
* Cascade Oregon Grape: Berberis nervosa - Fading out of bloom.
Inside-out Flower: Vancouveria hexandra
* Western Corydalis: Corydalis scouleri - A few in bloom in moist areas near the end of the upper trail.
* Bleeding Heart: Dicentra formosa
* Pennsylvania Bitter Cress: Cardamine pensylvanica - Several in bloom in moist areas along the lower trail near Elowah Falls.
* Slender Toothwort: Cardamine nuttallii - Scattered, but in full bloom.
Oregon Stonecrop: Sedum oreganum
Broad-leaf Stonecrop: Sedum spathulifolium
Oregon Bolandra: Bolandra oregana
* Small-flowered Alumroot: Heuchera micrantha var. micrantha
* Rusty-haired Saxifrage: Micranthes rufidula - Moderately common on moist cliff faces on the upper trail.
* Matted Saxifrage: Saxifraga bronchialis var. vespertina - Beginning to bloom.
* Merten's Saxifrage: Saxifraga mertensiana - A few beginning to bloom on the cliffs along the upper trail.
* Fringe Cup: Tellima grandiflora - Beginning to bloom.
Piggyback: Tolmiea menziesii
Stink Currant: Ribes bracteosum
Mock Orange: Philadelphus lewisii
* Serviceberry: Amelanchier alnifolia (var. ?) - A few plants in bloom, too far off the trail to ID.
Sylvan Goatsbeard: Aruncus dioicus var. acuminatus
* Wood Strawberry: Fragaria vesca var. bracteata - A few in bloom in more open areas.
Large-leaf Avens: Geum macrophyllum var. macrophyllum
Creambush Ocean Spray: Holodiscus discolor
Osoberry: Oemleria cerasiformis
Pacific Ninebark: Physocarpus capitatus
Choke Cerry: Prunus virginiana var. melanocarpa
* Thimbleberry: Rubus parviflora
* Salmonberry: Rubus spectabilis - Fading out of bloom.
* Robert Geranium: Geranium robertianum - A few in bloom.
Poison Oak: Toxicodendron diversilobum - In bud.
Cascara: Rhamnus purshiana
Enchanter's Nightshade: Circaea alpina
* Fern-leaf Desert Parsley: Lomatium dissectum var. dissectum
* Martindale's Desert Parsley: Lomatium martindalei - Good bloom on the upper cliffs.
Common Sweet Cicely: Osmorhiza berteroi
Pacific Dogwood: Cornus nuttallii
* White Shooting Star: Dodecatheon/ Primula dentatum ssp. dentatum
* Douglasia: Douglasia laevigata - A few still in bloom on cliffs above the upper trail.
* Broadleaf Star Flower: Lysiachia latifolia - A few plants in bloom.
* Spreading Phlox: Phlox diffusa - Large mats blooming on open slopes above the east side of the creek.
Pacific Waterleaf: Hydrophyllum tenuipes
* Woods Nemophila: Nemophila parviflora var. parviflora
Woodland Phacelia: Phacelia nemoralis - In bud.
* Sitka Mist Maidens: Romanzoffia sitchensis - Fairly good bloom on large rocks or the cliffs along the upper trail.
Branching Stickseed: Hackelia diffusa var. diffusa
* Harsh Paintbrush: Castilleja hispida (var. hispida ?)- Blooming on open cliffs high above the east side of the creek.
* Cliff Paintbrush: Castilleja rupicola - Good bloom on cliffs along the upper trail.
* Large-flowered Blue-eyed Mary: Collinsia grandiflora
* Small-flowered Blue-eyed Mary: Collinsia parviflora
* Chickweed Monkeyflower: Erythranthe alsinoides
Cutleaf Penstemon: Penstemon richardsonii var. richardsonii
* Rock Penstemon: Penstemon rupicola - Beginning to bloom.
Cascade Penstemon: Penstemon serrulatus
* Columbia Kittentails: Veronica missurica ssp. stellata - A few still in bloom on the steep, rocky slopes on the upper reaches of the upper trail.
* Small-flowered Tonella: Tonella tenella - A few in bloom on the open, rocky slopes.
* Annual Bedstraw: Galium aparine
Fragrant Bedstraw: Galium triflorum
Orange Honeysuckle: Lonicera ciliosa
Common Snowberry: Symphoricarpos albus var. laevigatus
* Rosy Plectritis: Plectritis congesta - Blooming high on open slopes above the east side of the creek
* Scouler's Valerian: Valeriana sitchensis ssp. scouleri - Fairly common bloom.
Roundleaf bluebell: Campanula rotundifolia
Yarrow: Achillea millefolium
Pathfinder: Adenocaulon bicolor
Pearly Everlasting: Anaphalis margaritacea
Streambank Arnica: Arnica amplexicaulis
Mountain Arnica: Arnica latifolia
* Gold Stars: Crocidium multicaule - A couple plants still in bloom.
* Howell's Fleabane: Erigeron howellii - Beginning to bloom.
Columbia Gorge Fleabane: Erigeron oreganus - In bud.
Oregon Sunshine: Eriophyllum lanatum var. leucophyllum - Observed with binoculars blooming high on open slopes above cliffs on the east side of the creek.
White-flowered Hawkweed: Hieracium albiflorum
Long-beard Hawkweed: Hieracium longiberbe
Columbia Gorge Groundsel: Senecio bolanderi var. harfordii
* Western Groundsel: Senecio integerrimus var. exaltatus - Viewed with binoculars, so this might be incorrect. It could also be tall silvercrown: Cacaliopsis nardosmia ? Blooming high on open slopes above cliffs on the east side of the creek.
* Common Dandelion: Taraxacum officinale - Too common along the trail.