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Plants of Portland, Oregon

The plants most often spotted near Portland, ranked by recent research-grade observations.

93,148
recent observations
50
species listed
50
plants

Naturalists have logged 93,148 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Pacific Trillium, with 4,466 recorded sightings.

Most-observed plants near Portland

Pacific Trillium
Trillium ovatum
4,466 observations
Oregon Grape
Berberis aquifolium
3,444 observations · iNaturalist
Western Sword Fern
Polystichum munitum
3,402 observations
Tree-of-heaven
Ailanthus altissima
3,268 observations
Western Redcedar
Thuja plicata
3,047 observations
Fringe Cups
Tellima grandiflora
2,687 observations · iNaturalist
Thimbleberry
Rubus parviflorus
2,683 observations
Bigleaf Maple
Acer macrophyllum
2,660 observations
Herb Robert
Geranium robertianum
2,441 observations
Osoberry
Oemleria cerasiformis
2,386 observations · iNaturalist
Douglas-fir
Pseudotsuga menziesii
2,363 observations
Shining Crane's-bill
Geranium lucidum
2,304 observations · iNaturalist
Common Snowberry
Symphoricarpos albus
2,175 observations
Red-flowering Currant
Ribes sanguineum
2,104 observations
Ragwort
Jacobaea vulgaris
2,094 observations
Pacific Waterleaf
Hydrophyllum tenuipes
1,997 observations · iNaturalist
Trailing Blackberry
Rubus ursinus
1,911 observations
Oregon Oak
Quercus garryana
1,899 observations
Salmonberry
Rubus spectabilis
1,891 observations
Vine Maple
Acer circinatum
1,793 observations
Cascade Oregon-grape
Berberis nervosa
1,782 observations · iNaturalist
Stream Violet
Viola glabella
1,780 observations · iNaturalist
Common Selfheal
Prunella vulgaris
1,725 observations · iNaturalist
Rose Spirea
Spiraea douglasii
1,723 observations
Licorice Fern
Polypodium glycyrrhiza
1,682 observations
Wild Carrot
Daucus carota
1,647 observations
Bittersweet Nightshade
Solanum dulcamara
1,627 observations
Common Jewelweed
Impatiens capensis
1,511 observations
Salal
Gaultheria shallon
1,505 observations
Ocean Spray
Holodiscus discolor
1,499 observations
Red Deadnettle
Lamium purpureum
1,491 observations · iNaturalist
Wild Teasel
Dipsacus fullonum
1,490 observations
White Inside-out Flower
Vancouveria hexandra
1,440 observations · iNaturalist
Oregon Ash
Fraxinus latifolia
1,405 observations · iNaturalist
Candy Flower
Claytonia sibirica
1,403 observations · iNaturalist
Lawn Daisy
Bellis perennis
1,384 observations · iNaturalist
Nipplewort
Lapsana communis
1,367 observations · iNaturalist
Solomon's Plume
Maianthemum racemosum
1,365 observations
Western Maidenhair Fern
Adiantum aleuticum
1,328 observations · iNaturalist
Red-berried Elder
Sambucus racemosa
1,273 observations
Red Osier Dogwood
Cornus sericea
1,265 observations
European Holly
Ilex aquifolium
1,241 observations · iNaturalist
Chicory
Cichorium intybus
1,226 observations
Pacific Madrone
Arbutus menziesii
1,214 observations
Red Clover
Trifolium pratense
1,137 observations
Pacific Ninebark
Physocarpus capitatus
1,135 observations
Broad-leaved Sweet Pea
Lathyrus latifolius
1,134 observations · iNaturalist
Great Horsetail
Equisetum telmateia
1,128 observations
Pacific Poison Oak
Toxicodendron diversilobum
1,115 observations
White Clover
Trifolium repens
1,111 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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