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Plants of Portland, Oregon

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

92,972
recent observations
50
species listed
50
plants

Naturalists have logged 92,972 research-grade observations across the 50 most-recorded species near Portland. The most frequently seen is the Pacific Trillium, with 4,465 recorded sightings.

Most-observed plants near Portland

Pacific Trillium
Trillium ovatum
4,465 observations
Oregon Grape
Berberis aquifolium
3,441 observations · iNaturalist
Western Sword Fern
Polystichum munitum
3,387 observations
Tree-of-heaven
Ailanthus altissima
3,265 observations
Western Redcedar
Thuja plicata
3,040 observations
Fringe Cups
Tellima grandiflora
2,687 observations · iNaturalist
Thimbleberry
Rubus parviflorus
2,679 observations
Bigleaf Maple
Acer macrophyllum
2,653 observations
Herb Robert
Geranium robertianum
2,439 observations
Osoberry
Oemleria cerasiformis
2,384 observations · iNaturalist
Douglas-fir
Pseudotsuga menziesii
2,352 observations
Shining Crane's-bill
Geranium lucidum
2,300 observations · iNaturalist
Common Snowberry
Symphoricarpos albus
2,162 observations
Red-flowering Currant
Ribes sanguineum
2,104 observations
Ragwort
Jacobaea vulgaris
2,081 observations
Pacific Waterleaf
Hydrophyllum tenuipes
1,997 observations · iNaturalist
Trailing Blackberry
Rubus ursinus
1,908 observations
Oregon Oak
Quercus garryana
1,897 observations
Salmonberry
Rubus spectabilis
1,891 observations
Vine Maple
Acer circinatum
1,788 observations
Cascade Oregon-grape
Berberis nervosa
1,782 observations · iNaturalist
Stream Violet
Viola glabella
1,780 observations · iNaturalist
Common Selfheal
Prunella vulgaris
1,721 observations · iNaturalist
Rose Spirea
Spiraea douglasii
1,720 observations
Licorice Fern
Polypodium glycyrrhiza
1,670 observations
Wild Carrot
Daucus carota
1,645 observations
Bittersweet Nightshade
Solanum dulcamara
1,623 observations
Common Jewelweed
Impatiens capensis
1,510 observations
Salal
Gaultheria shallon
1,502 observations
Ocean Spray
Holodiscus discolor
1,498 observations
Red Deadnettle
Lamium purpureum
1,489 observations · iNaturalist
Wild Teasel
Dipsacus fullonum
1,486 observations
White Inside-out Flower
Vancouveria hexandra
1,437 observations · iNaturalist
Oregon Ash
Fraxinus latifolia
1,404 observations · iNaturalist
Candy Flower
Claytonia sibirica
1,403 observations · iNaturalist
Lawn Daisy
Bellis perennis
1,382 observations · iNaturalist
Nipplewort
Lapsana communis
1,367 observations · iNaturalist
Solomon's Plume
Maianthemum racemosum
1,364 observations
Western Maidenhair Fern
Adiantum aleuticum
1,326 observations · iNaturalist
Red-berried Elder
Sambucus racemosa
1,272 observations
Red Osier Dogwood
Cornus sericea
1,262 observations
European Holly
Ilex aquifolium
1,235 observations · iNaturalist
Chicory
Cichorium intybus
1,224 observations
Pacific Madrone
Arbutus menziesii
1,209 observations
Red Clover
Trifolium pratense
1,137 observations
Pacific Ninebark
Physocarpus capitatus
1,135 observations
Broad-leaved Sweet Pea
Lathyrus latifolius
1,131 observations · iNaturalist
Great Horsetail
Equisetum telmateia
1,128 observations
White Clover
Trifolium repens
1,111 observations
Pacific Poison Oak
Toxicodendron diversilobum
1,099 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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