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Plant Database
a specimen showing leaf and inflorescence
Big-Leaf Sedge
Carex amplifolia
Native
the large palmate leaves and purple to white flowers of large leaf lupine
Bigleaf Lupine
Lupinus polyphyllus
Native
Shiny, heart shaped leaves of black cottonwood
Black Cottonwood
Populus trichocarpa
Native
the black twin berries of Black Twinberry
Black Twinberry
Lonicera involucrata
Native
Blue Eyed Grass Sisyrinchium idahoense Single 5 petalled purple flower with yellow center
Blue-Eyed Grass
Sisyrinchium idahoense
Native
Small white flower on bushy stems
Brazilian Elodea
Egeria densa
Invasive
Tubular purple flowers
Cascade Penstemon
Penstemon serrulatus
Native
Common Sneezeweed
Helenium autumnale
Native
spikerush plants - stems and inflorescences
Creeping Spikerush
Eleocharis palustris
Native
close up of magenta flowers tightly clustered
Cusick’s Checkermallow
Sidalcea cusickii
Native
Bunches of iris like leaves with clusters of small off-white to brown flowers
Dagger-leaf Rush
Juncus ensifolius
Native
deer fern fronds viewed from above
Deer Fern
Blechnum spicant
Native
close up of a dense sedge sowing bunch like form and long linear leaves
Dense Sedge
Carex densa
Native
Douglas Spirea Spiraea douglasii Single Spire of bunches of small purple flowers
Douglas’ Spirea
Spiraea douglasii
Native
Large green shiny leaves with small yellow flower
European Waterchestnut
Trapa natans L
Invasive
heart shaped leaves clasp stem with short spike of whitish flowers at tip
False Lily-of-the-Valley
Maianthemum dilatatum
Native
Floating Primrose-willow Ludwigia peploides Large floating mat of long slender green leaves and small yellow flowers
Floating Primrose-Willow
Ludwigia peploides
Invasive
Cluster of small white and pink flowers
Flowering Rush
Butomus umbellatus
Invasive
Field of tall stalks of long skinny leaves
Giant Reed
Arundo donax
Invasive
A small 6-petalled yellow flower.
Golden-Eyed Grass
Sisyrinchium californicum
Native
pink honeysuckle flowers and fused opposite leaves
Hairy Honeysuckle
Lonicera hispidula
Native
deep pink magenta flowers along and atop stem.
Henderson’s Checkermallow
Sidalcea hendersonii
Native
a thicket of hooker's willow
Hooker’s Willow
Salix hookeriana
Native
Long (aquatic) roots and long stem with many small green leaves
Hydrilla
Hydrilla verticillata
Invasive
purple flowers
King’s Gentian
Gentiana sceptrum
Native
loosely arranged compound leaves of lady fern with deeply dissected leaflets
Lady Fern
Athyrium filix-femina
Native
Small yellow flower
Large-Flower Primrose Willow
Ludwigia grandiflora ssp. grandiflora
Invasive
Mountain Boykinia
Boykinia major
Native
a field of narrowleaf allium in bloom with pinkish flower clusters
Narrowleaf Allium
Allium amplectens
Native
A patch of blooming Nelson's checkermallow with rosy magenta racemes atop thin stems above dissected palmate leaves.
Nelson’s Checkermallow
Sidalcea nelsoniana
Native
Nootka Rose Rosa nutkana Small pink flower with yellow center Small pink flower with yellow center
Nootka Rose
Rosa nutkana
Native
Northern Marsh Violet
Viola palustris
Native
northern wood fern foliage
Northern Wood Fern
Dryopteris expansa
Native
Intersection of stem and long slender leaves
Old World Common Reed
Phragmites australis ssp. australis
Invasive
Oregon Ash Fraxinus latifolia Large ogblong smooth leaves
Oregon Ash
Fraxinus latifolia
In Decline
Native
balls of small white fuzzy looking flowers
Pacific Ninebark
Physocarpus capitatus
Native
bunches of soft rush growing in standing water
Pacific Rush
Juncus effusus
Native
Linear to lance shaped grey green willow leaves
Pacific Willow
Salix lasiandra var. lasiandra
Native
Three pink nodding flowers with mottled lance shaped basal leaves
Pink Fawn-Lily
Erythronium revolutum
Native
Policeman’s Helmet Impatiens glandulifera Several purple and white flowers on small stems
Policeman’s Helmet
Impatiens glandulifera
Invasive
Roots and stem with grass blades and small clusters of seed pods
Purple Nutsedge
Cyperus rotundus
Invasive
Blue Elderberry Sambucus caerulea Medium Tree with long green opposite leaves
Red Elderberry
Sambucus racemosa
Native
red-osier dogwood shrub in a yard
Red-Osier Dogwood
Cornus sericea
Native
the grass leaves fall flat to the ground and outward from center.
Rice Cutgrass
Leersia oryzoides
Native
purple and white characteristic pea family flowers
Riverbank Lupine
Lupinus rivularis
Native
Rocky Mountain Maple
Acer glabrum
Native
whole plant
Sawbeak Sedge
Carex stipata
Native
an orangey red trumpet shaped flower with petals curving back
Scarlet Monkeyflower
Erythranthe cardinalis
Native
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