Puffballs:
Umbrella Liverwort: Marchantia polymorpha ?
Lichen: Leptogium sp.
Lichen: Parmelia sp.
Dog Lichen: Peltigera sp. - grayish surface.
Red Glossy Bryum Moss: Bryum miniatum
Oakmoss: Evernia (prunastri ?)
Juniper Haircap Moss: Polytrichum juniperinum
Awned Hairycap Moss: Polytrichum pilferumElongate Racomitrium Moss: Racomitrium (elongatum ?)
Wallace's Spikemoss: Selaginella wallacei
Scouring-rush Horsetail: Equisetum hyemale
Podfern: Aspidotis densa
Fragile Fern: Cystopteris fragilis
Licorice Fern: Polypodium glycyrrhiza
Gold Back Fern: Pentagramma triangularis
Imbricate Sword Fern: Polystichum imbricans ssp. imbricans
Bracken Fern: Pteridium aquilinum ssp. pubescens
Ponderosa Pine: Pinus ponderosa var. ponderosa
Douglas Fir: Pseudotsuga menziesii var. menziesii
* Big-leaf Maple: Acer macrophyllum - Beginning to bloom.
Alder: Alnus sp.
Red Osier Dogwood: Cornus sericea
Black Cottonwood: Populus trichocarpa
Oregon White Oak: Quercus garryana var. garryana
Black Locust: Robinia pseudoacacia
Lilac: Syringia sp. - Within the campground.
* Long-anthered Woodrush: Luzula macrantha
Bristly Dog's-tail Grass: Cynosurus echinatus
Bottlebrush Squirreltail: Elymus elymoides
Bulbous Blue Grass: Poa bulbosa
* Leiberg's Bluegrass: Poa leibergii
* Nevada Bluegrass: Poa secunda ssp. juncifolia - Fairly numerous.
Bluebunch Wheatgrass: Pseudoroegneria spicatum
Daffodils: Narcissus sp. - This area had an old homestead on it.
Tapertip Onion: Allium accuminatum - In bud.
Sagebrush Mariposa: Calochortus macrocarpus var. macrocarpus - Basal leaves.
Ookow, Ball-head Cluster Lily: Dichelostemma congestum
* Pale-anther Glacier Lily: Erythronium grandiflorum var. pallidum
* Yellow Bells: Fritillaria pudica - Fading out of bloom.
Deathcamas: Toxicoscoridion sp.
Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii
Hyacinth Cluster Lily: Triteleia hyacinthina
* Grass Widows: Olsynium douglasii var. douglasii - Fading out of bloom.
Long-spurred Rein Orchid: Platanthera elegans ? - (basal leaves only, so this could also be Platanthera unalascensis or one of the other 3 rein orchids)
Common Bastard Toad-flax: Comandra umbellata var. californica
Heart-leaf Buckwheat: Eriogonum compositum var. compositum
Tall Buckwheat: Eriogonum elatum
Snow Buckwheat: Eriogonum niveum ?
Strict Buckwheat: Eriogonum strictum var. proliferum
Sheep Sorrel: Rumex acetosella
Curly Dock: Rumex crispus
* Streambank Springbeauty: Claytonia parviflora ssp. parviflora
* Miner's Lettuce: Claytonia perfoliata ssp. perfoliata
* Red Miner's Lettuce: Claytonia rubra ssp. rubra ?
Bitterroot: Lewisia rediviva
* Line-leaf Montia: Montia linearis
Sticky Mouse-ear Chickweed: Cerastium glomeratum
* Jagged Chickweed: Holosteum umbellatum
* Chickweed: Stellaria media
Shiny Starwort: Stellaria nitens
* Upland Larkspur: Delphinium nuttallianum - A few plants blooming near Memaloose Overlook.
* Western Buttercup: Ranunculus occidentalis var. occidentalis
* Shining Oregon Grape: Berberis aquifolium
* Littleleaf Rockcress: Arabis microphylla - Beginning to bloom on rocky cliffs along the road west from the eastbound rest area.
American Wintercress: Barbarea orthoceras - In bud.
* Hairy Bittercress: Cardamine hirsuta
* Oaks Toothwort: Cardamine nuttallii
* Little Western Bittercress: Cardamine oligosperma
* Spring Whitlow-grass: Draba verna
Scalepod: Idahoa scapigera
Water Cress: Rorippa nasturtium-aquaticum
Thickleaved Thelypody: Thelypodium laciniatum var. laciniatum
* Fringe Pod: Thysanocarpus curvipes
* Dutchman's Breeches: Dicentra cucullaria
Leiberg's Stonecrop: Sedum leibergii - In bud.
Broad-leaf Stonecrop: Sedum spathulifolium
* Bulblet Prairie Star: Lithophragma bulbifera (now included as part of Lithophragma glabrum)
* Smooth Praire Star: Lithophragma glabrum
* Small-flowered Prairie Star: Lithophragma parviflorum - Beginning to bloom.
* Peak Saxifrage: Micranthes fragosa
* Northwestern Saxifrage: Micranthes integrifolia
* Rusty-hair Saxifrage: Micranthes rufidula
Merten's Saxifrage: Saxifraga mertensiana
Golden Currant: Ribes aureum - In bud. Plantings in the campground.
* Red-flowering Currant: Ribes sanguineum - Plantings in the campground.
Mock Orange: Philadelphus lewisii - Beginning to leaf out.
Cusick's Serviceberry: Amelanchier alnifolia (var. cusickii ?) - Beginning to leaf out & flower buds forming.
Western Lady's Mantle: Aphanes arvensis
Hawthorn: Crataegus sp.
Antelope Bitterbrush: Purshia tridentata - Leafing out.
Pearhip Rose: Rosa woodsii
Himalayan Blackberry: Rubus armeniacus
Evergreen Blackberry: Rubus laciniata
Blackcap: Rubus leucodermis
Trailing Blackberry: Rubus ursinus
Steeple Bush: Spiraea douglasii var. menziesii - Beginning to leaf out.
Common Broad-leaf Lupine: Lupinus latifolius X sericeus (formerly Lupinus latifolius var. thompsonianus)
Small-flowered Lupine: Lupinus micranthus ? - Small annual: Basal leaves only.
Rabbitsfoot Clover: Trifolium arvense
Bighead Clover: Trifolium macrocephalum
Clover: Trifolium sp.
Vetch: Vicia sp.
* Filaree: Erodium cicutarium
Dove'sfoot Geranium: Geranium molle
Klamathweed: Hypericum perforatum
Poison Oak: Toxicodendron diversilobum - A few plants beginning to leaf out.
Annual Willowherb: Epilobium brachycarpum
Ciliate Willowherb: Epilobium ciliatum (ssp. ?)
Chervil: Anthriscus caucalis
* Columbia Desert Parsley: Lomatium columbianum
* Fern-leaf Desert Parsley: Lomatium dissectum var. dissectum
* Biscuitroot: Lomatium macrocarpum (yellow-flowered form)
* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum
* Salt and Pepper: Lomatium piperi - Fading out of bloom.
* Nineleaf Desert Parsley: Lomatium triternatum var. triternatum
Gairdner's Yampah: Perideridia gairdneri (Perideridia montana)
Western Snakeroot: Sanicula crassicaulis
* Desert Shooting Star: Dodecatheon conjugens - Beginning to bloom.
* Poet's Shooting Star: Dodecatheon poeticum - Beginning to bloom.
Narrowleaf Milkweed: Asclepias fascicularis
* Midget Phlox: Microsteris gracilis
Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii
* Meadow Nemophila: Nemophila pedunculata
Variedleaf Phacelia: Phacelia heterophylla
* Rigid Fiddleneck: Amsinckia menziesii (formerly Amsinckia retrorsa form)
* Slender Popcorn Flower: Plagiobothrys tenellus
Selfheal: Prunella vulgaris (var. ?)
Attenuate Paintbrush: Castilleja attenuata
* Large-flowered Blue-eyed Mary: Collinsia grandiflora
* Small-flowered Blue-eyed Mary: Collinsia parviflora
* Few-flowered Blue-eyed Mary: Collinsia sparsiflora var. bruceae
Dalmatian Todflax: Linaria dalmatica
* Chickweed Monkeyflower: Erythranthe alsinoides
Common Monkey Flower: Erythranthe guttata
* Small-flowered Tonella: Tonella tenella
Moth Mullein: Verbascum blatteria
Common Mullein: Verbascum thapsus
English Plantain: Plantago lanceolata
Common Plantain: Plantago major
* Bedstraw: Galium aparine
Big Root: Marah oreganus
Common Snowberry: Symphoricarpos albus var. laevigatus - Beginning to leaf out.
Teasel: Dipsacus fullonum
Yarrow: Achillea millefolium
Western Wormwood: Artemisia ludoviciana (ssp. candicans or ssp. ludoviciana ?)
Big Sagebrush: Artemisia tridentata var. tridentata
Aster: Symphyotrichum sp.
* Northwestern Balsamroot: Balsamorhiza deltoidea (or B. careyana?, or a hybrid between the two?) - Beginning to bloom.
Diffuse Knapweed: Centaurea diffusa
Bull Thistle: Cirsium vulgare
Columbia Coreopsis: Coreopsis atkinsoniana
Gray Hawksbeard: Crepis intermedia
* Gold Stars: Crocidium multicaule
Hairy Goldaster: Heterotheca villosa
Scouler's Hawkweed: Hieracium scouleri (former var. cynoglossoides ?)
Western Groundsel: Senecio integerrimus var. exaltatus
Sow Thistle: Sonchus sp.
Beaver - Trails and gnawed trees along river.
California Ground Squirrels
Great Blue Heron - Flying over the Columbia River.
Turkey Vultures
Bald Eagle
Red-tailed Hawks
Canada Geese
Double-crested Cormorants
Common Mergansers
Buffleheads
Ring-billed Ducks
Clark's Grebes
Northern Flicker
Downy Woodpeckers
Pileated Woodpecker
Ravens
Scrub Jays
Stellers Jays
Western Meadowlarks
Spotted Towhees
American Robins
Townsend Solitaire
Golden-crowned Sparrows
Dark-eyed Juncos
Black-capped Chickadees
Bewick's Wren
Bushtits
Yellow-rumped Warblers
Western Fence Lizards
Tree Frog
Frogs - Croaking at numerous moist spots near the Columbia River.
Large Bumble Bees
Caddisfly larva in puddles