Plants of Portland, Oregon

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

Most-observed plants near Portland

Pacific trillium

Trillium ovatum

4,406 observations

Berberis aquifolium

3,226 observations · iNaturalist

western sword fern

Polystichum munitum

3,180 observations

Ailanthus altissima

3,130 observations · iNaturalist

western redcedar

2,914 observations

Tellima grandiflora

2,555 observations · iNaturalist

Rubus parviflorus

2,517 observations

Acer macrophyllum

2,400 observations

Oemleria cerasiformis

2,333 observations · iNaturalist

Geranium robertianum

2,286 observations

Pseudotsuga menziesii

2,228 observations

Shining Crane's-bill

Geranium lucidum

2,221 observations · iNaturalist

Red-flowering Currant

Ribes sanguineum

2,024 observations

Common Snowberry

Symphoricarpos albus

1,985 observations

Pacific Waterleaf

Hydrophyllum tenuipes

1,965 observations · iNaturalist

Jacobaea vulgaris

1,852 observations

trailing blackberry

1,839 observations

Rubus spectabilis

1,831 observations

1,760 observations · iNaturalist

Quercus garryana

1,699 observations

Cascade Oregon-grape

Berberis nervosa

1,666 observations · iNaturalist

Polypodium glycyrrhiza

1,629 observations

Acer circinatum

1,621 observations

Spiraea douglasii

1,550 observations

Lamium purpureum

1,474 observations · iNaturalist

common selfheal

Prunella vulgaris

1,472 observations · iNaturalist

1,463 observations

bittersweet nightshade

Solanum dulcamara

1,424 observations

Gaultheria shallon

1,397 observations

Holodiscus discolor

1,375 observations

Claytonia sibirica

1,359 observations · iNaturalist

Bellis perennis

1,357 observations · iNaturalist

Dipsacus fullonum

1,343 observations

White Inside-out Flower

Vancouveria hexandra

1,341 observations · iNaturalist

Fraxinus latifolia

1,308 observations · iNaturalist

common jewelweed

Impatiens capensis

1,300 observations

Solomon's plume

Maianthemum racemosum

1,300 observations

Lapsana communis

1,293 observations · iNaturalist

western maidenhair fern

Adiantum aleuticum

1,229 observations · iNaturalist

red-berried elder

Sambucus racemosa

1,218 observations

red osier dogwood

1,168 observations

Ilex aquifolium

1,166 observations · iNaturalist

Pacific madrone

Arbutus menziesii

1,138 observations

great horsetail

Equisetum telmateia

1,098 observations

Pacific ninebark

Physocarpus capitatus

1,086 observations

Creeping buttercup

Ranunculus repens

1,069 observations · iNaturalist

Trifolium pratense

1,060 observations

Trifolium repens

1,054 observations

Pacific Bleeding Heart

Dicentra formosa

1,044 observations

purple foxglove

Digitalis purpurea

1,041 observations · iNaturalist