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Plants of Oregon

The plants most often spotted in Oregon, ranked by recent research-grade observations.

314,086
recent observations
50
species listed
50
plants

Naturalists have logged 314,086 research-grade observations across the 50 most-recorded species in Oregon. The most frequently seen is the Western Ponderosa Pine, with 13,977 recorded sightings.

Most-observed plants in Oregon

Western Ponderosa Pine
Pinus ponderosa
13,977 observations
Pacific Trillium
Trillium ovatum
13,113 observations
Western Sword Fern
Polystichum munitum
10,746 observations
Douglas-fir
Pseudotsuga menziesii
10,593 observations
Salal
Gaultheria shallon
9,391 observations
Thimbleberry
Rubus parviflorus
8,490 observations
Oregon Oak
Quercus garryana
7,761 observations
Oregon Grape
Berberis aquifolium
7,720 observations · iNaturalist
Bigleaf Maple
Acer macrophyllum
7,566 observations
Coastal Manroot
Marah oregana
7,000 observations · iNaturalist
Pacific Bleeding Heart
Dicentra formosa
6,874 observations
Fringe Cups
Tellima grandiflora
6,818 observations · iNaturalist
Salmonberry
Rubus spectabilis
6,719 observations
Common Yarrow
Achillea millefolium
6,508 observations
Candy Flower
Claytonia sibirica
6,459 observations · iNaturalist
Common Selfheal
Prunella vulgaris
6,144 observations · iNaturalist
Purple Foxglove
Digitalis purpurea
6,106 observations · iNaturalist
Osoberry
Oemleria cerasiformis
5,977 observations · iNaturalist
Fireweed
Chamaenerion angustifolium
5,961 observations · iNaturalist
Trailing Blackberry
Rubus ursinus
5,930 observations
Pacific Poison Oak
Toxicodendron diversilobum
5,881 observations
Ocean Spray
Holodiscus discolor
5,880 observations
Western Redcedar
Thuja plicata
5,746 observations
Western Columbine
Aquilegia formosa
5,676 observations · iNaturalist
Lodgepole Pine
Pinus contorta
5,585 observations
Cascade Oregon-grape
Berberis nervosa
5,579 observations · iNaturalist
Solomon's Plume
Maianthemum racemosum
5,551 observations
Herb Robert
Geranium robertianum
5,527 observations
Common Cowparsnip
Heracleum maximum
5,488 observations
Lawn Daisy
Bellis perennis
5,474 observations · iNaturalist
Vine Maple
Acer circinatum
5,431 observations
Western Skunk Cabbage
Lysichiton americanus
5,392 observations
Ragwort
Jacobaea vulgaris
5,348 observations
Scotch Broom
Cytisus scoparius
5,328 observations
Wild Carrot
Daucus carota
5,215 observations
Red-flowering Currant
Ribes sanguineum
5,212 observations
Common Snowberry
Symphoricarpos albus
5,113 observations
Shining Crane's-bill
Geranium lucidum
5,093 observations · iNaturalist
Rose Spirea
Spiraea douglasii
5,042 observations
Common Bracken
Pteridium aquilinum
4,982 observations
Licorice Fern
Polypodium glycyrrhiza
4,828 observations
Stream Violet
Viola glabella
4,786 observations · iNaturalist
Wild Teasel
Dipsacus fullonum
4,769 observations
Oregon Iris
Iris tenax
4,753 observations · iNaturalist
Pearly Everlasting
Anaphalis margaritacea
4,603 observations
Giant White Fawn Lily
Erythronium oregonum
4,592 observations
Red-berried Elder
Sambucus racemosa
4,503 observations
Pacific Madrone
Arbutus menziesii
4,421 observations
Common Woolly Sunflower
Eriophyllum lanatum
4,250 observations
Tree-of-heaven
Ailanthus altissima
4,185 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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