* indicates the wildflower is currently in bloom.
Complete Catherine Creek Plant List.
Podfern: Aspidotis densa
Lacefern: Myriopteris gracillima
Brittle Bladderfern: Cystopteris fragilis
Licorice Fern: Polypodium glycyrrhiza
Ponderosa Pine: Pinus ponderosa var. ponderosa
* Oregon White Oak: Quercus garryana var. garryana
* Oregon Ash: Fraxinus latifolia
* Toad Rush: Juncus bufonius
* Lemmon's Needlegrass: Achnatherum lemmonii var. lemmonii
* Ripgut Brome: Bromus diandrus
* Soft Brome: Bromus hordeaceus
* Cheatgrass: Bromus tectorum
Bristly Dog's-tail Grass: Cynosurus echinata
* Annual Blue Grass: Poa annua
* Bulbous Blue Grass: Poa bulbosa
* Leiberg's Blue Grass: Poa leibergii
* Nevada Blue Grass: Poa secunda ssp. juncifolia
* Bluebunch Wheatgrass: Pseudoroegneria spicata
* Scribner's Grass: Scribneria bolanderi
Medusa Head: Taeniatherum caput-medusae
Taper-tip Onion: Allium acuminatum - In bud.
* Common Camas: Camassia quamash (var. breviflora ?) - Fading out of bloom.
Yellow Bells: Fritillaria pudica - Pods well-formed.
* Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii
Hyacinth Cluster Lily: Triteleia hyacinthina
* Meadow Death-camas: Toxicoscordion venenosum var. venenosum - Only blooming at higher elevations.
* Northern Buckwheat: Eriogonum compositum var. compositum - Cream-flowered form.
* Scabland Wild Buckwheat: Eriogonum sphaerocephalum var. sublineare- Beginning to bloom.
Strict Buckwheat: Eriogonum strictum var. proliferum
* Sheep Sorrel: Rumex acetosella
Curly Dock: Rumex crispus
* Miner's Lettuce: Claytonia perfoliata var. perfoliata
* Bitterroot: Lewisia rediviva - Full bloom.
Water Chickweed: Montia fontana var. tenerrima
* Line-leaf Montia: Montia linearis - Fading out of bloom.
* Jagged Chickweed: Holosteum umbellatum
* Annual Knawel: Scleranthus annuus
* Red Sandspurry: Spergularia rubra
Meadow Larkspur: Delphinium distichum
* Least Mouse Tail: Myosurus minimus
* Western Buttercup: Ranunculus occidentalis var. occidentalis
* California Poppy: Eschscholzia californica
* Mouse-ear Cress: Arabidopsis thaliana
* Spring Whitlow Grass: Draba verna
* Smooth Marsh Yellowcress: Rorippa palustris - Beginning to bloom.
* Shepherd's Cress: Teesdalia nudicaulis
* Fringepods: Thysanocarpus curvipes - Only blooming at higher elevations
* Small-flowered Prairie Star: Lithophragma parviflorum - Fading out of bloom.
* Northwestern Saxifrage: Micranthes integrifolia - A few plants still in bloom.
Mock Orange: Philadelphus lewisii
Cusick's Serviceberry: Amelanchier cusickii - Fruits forming.
Oceanspray: Holodiscus discolor
* Bitter Cherry: Prunus emarginata var. emarginata
Annual Burnet: Poteridium annuum - In bud.
* Small-flowered Deer-vetch: Acmispon parviflorus
* Spurred Lupine: Lupinus arbustus - Beginning to bloom.
* Columbia Gorge Lupine: Lupinus latifolius x sericeus (Lupinus latifolius var. thompsonianus)
* Small-flowered Lupine: Lupinus micranthus
* Least Hop Clover: Trifolium dubium
* Small-head Clover: Trifolium microcephalum
* Few-flower Clover: Trifolium oliganthum
* Sand Clover: Trifolium wildenovii
* Hairy Vetch: Vicia hirsuta
* Common Vetch: Vicia sativa
* Filaree: Erodium cicutarium
* Dove'sfoot Geranium: Geranium molle
Spring Water-starwort: Callitriche verna
Deerbrush: Ceanothus integerrimus
Poison Oak: Toxicodendron diversilobum
* Small-flowered Willow Herb: Epilobium minutum
* Chervil: Anthriscus caucalis
Columbia Desert Parsley: Lomatium columbianum - Fruits well-formed.
* Klickitat Desert Parsley: Lomatium klickitatense - Fruits forming.
* Bare-stem Desert Parsley: Lomatium nudicaule
* Butterfly-loving Desert Parsley: Lomatium papilioniferum - Fruits forming.
* Broadnineleaf Desert Parsley: Lomatium triternatum var. anomalum
* Nineleaf Desert Parsley: Lomatium triternatum var. triternatum
* Poet's Shooting Star: Dodecatheon poeticum - Fading out of bloom.
Columbia Frasera: Frasera albicaulis var. nitida
* Babystars: Leptosiphon bicolor
* Midget Phlox: Microsteris gracilis - Fading out of bloom.
* Silverleaf Phacelia: Phacelia hastata var. hastata
* Rigid Fiddleneck: Amsinckia retrorsa
* Yellow and Blue Scorpion Flower: Myosotis discolor
Little Combseed: Pectocarya pusilla
* Alkali Popcornflower: Plagiobothrys leptocladus
* Rusty Popcornflower: Plagiobothrys nothofulvus
* Matted Popcorn Flower: Plagiobothrys scouleri var. penicillatus
* Slender Popcorn Flower: Plagiobothrys tenellus - A few plants beginning to bloom.
* Henbit: Lamium amplexicaule
* Narrow-leaf Owl-clover: Castilleja attenuata
* Small-flowered Blue-eyed Mary: Collinsia parviflora - Only blooming where moist or at higher elevations.
* Few-flowered Blue-eyed Mary: Collinsia sparsiflora - Fading out of bloom.
* Bractless Hedge-hyssop: Gratiola ebracteata
* Chickweed Monkeyflower: Erythranthe alsinoides - Mostly past bloom.
* Common Monkey Flower: Erythranthe guttata
* Barrett's Penstemon: Penstemon barrettiae
* Dwarf Owl-clover: Triphysaria pusilla
* Corn Speedwell: Veronica arvensis
* Purslane Speedwell: Veronica peregrina var. xalapensis
Slender Plantain: Plantago elongata - Past bloom.
* Naked Broomrape: Aphyllon purpureum - Mostly out of bloom.
* Bedstraw, Cleavers: Galium aparine
* Big Root: Marah oreganus
Common Snowberry: Symphoricarpos albus var. laevigatus
* Rosy Plectritis: Plectritis congesta
* Yarrow: Achillea millefolium
Annual Agoseris: Agoseris heterophylla
Spearleaf Agoseris: Agoseris retrorsa - Fuzzy basal leaves only.
Common Burdock: Arctium minus
* Heartleaf Arnica: Arnica cordifolia
* Carey's Balsamroot: Balsamorhiza careyana (Lupinus latifolius var. latifolius) - A few in bloom at lower elevations.
* Bachelor's Button: Centaurea cyanus
Western Hawksbeard: Crepis occidentalis
* Opposite-leaved Tarweed: Hemizonella minima
Hairy False Goldenaster: Heterotheca villosa
* Smooth Cat's-ear: Hypochaeris glabra - Small weed that is sweeping across all of Catherine Creek.
Scouler's Hawkweed: Hieracium scouleri - A few plants in bud.
* Little Tarweed: Madia exigua
* Pineapple Weed: Matricaria discoidea
False Agoseris, Prairie Dandylion: Nothocalais troximoides - Going to seed.
Yellow Salsify: Tragopogon dubius
California Ground Squirrels
Douglas' Squirrel ?
Osprey
Red-tailed Hawks
Peregrine Falcon
Kestrel
Turkey Vultures
Common Ravens
Starling
Northern Flickers
Mourning Dove
Scrub Jays
Stellers Jays
Spotted Towhees
Evening Grosbeaks
American Robins
Western Bluebirds
Dark-eyed Juncos
Red-breasted Nuthatches
Vaux's Swifts
Violet-green Swallows
Tadpoles
Sooty Duskywings
Ochre Ringlets
