List of invasive plant species in Oregon
Numerous plants have been introduced to Oregon, and many of them have become invasive species. The following are some of these species:
| Picture | Scientific Name | Common Name |
|---|---|---|
![]() | Ailanthus altissima | tree of heaven |
![]() | Ammophila arenaria | marram grass |
![]() | Brachypodium sylvaticum | false-brome |
![]() | Bromus tectorum | drooping brome |
![]() | Buddleja davidii | summer lilac |
![]() | Carduus acanthoides | spiny plumeless thistle |
![]() | Carduus nutans | musk thistle |
![]() | Centaurea cyanus | cornflower |
![]() | Cirsium vulgare | spear thistle |
![]() | Clematis vitalba | old man's beard |
![]() | Cortaderia jubata | purple pampas grass |
![]() | Crataegus monogyna | common hawthorn |
![]() | Cyperus rotundus | coco-grass |
| Cytisus scoparius | common broom | |
![]() | Cytisus striatus | hairy-fruited broom |
![]() | Daphne laureola | spurge-laurel |
| Egeria densa | large-flowered waterweed | |
![]() | Elaeagnus angustifolia | Russian olive |
![]() | Euphorbia esula | green spurge |
![]() | Euphorbia myrsinites | myrtle spurge |
![]() | Fallopia sachalinensis | giant knotweed |
![]() | Foeniculum vulgare | Florence fennel |
![]() | Genista monspessulana | French broom |
![]() | Geranium lucidum | shining cranesbill |
![]() | Geranium robertianum | herb-Robert |
| Hedera helix | common ivy | |
![]() | Hedera hibernica | Atlantic ivy |
![]() | Ilex aquifolium | common holly |
| Impatiens glandulifera | impatiens | |
![]() | Iris pseudacorus | yellow flag |
![]() | Kali tragus | prickly Russian thistle |
| Koenigia polystachya | Himalayan knotweed | |
![]() | Linaria dalmatica | Balkan toadflax |
![]() | Linaria vulgaris | common toadflax |
| Logfia gallica | narrowleaf cottonrose | |
![]() | Lythrum salicaria | purple loosestrife |
![]() | Phalaris arundinacea | reed canary grass |
![]() | Pilosella aurantiaca | fox-and-clubs |
![]() | Reynoutria japonica | Japanese knotweed |
| Rubus armeniacus | Himalayan blackberry | |
![]() | Rubus laciniatus | cutleaf evergreen blackberry |
![]() | Salix × fragilis | crack willow |
![]() | Spartium | Spanish broom |
![]() | Tamarix ramosissima | saltcedar |
![]() | Torilis arvensis | spreading hedgeparsley |
![]() | Ulex | gorse |
See also
External links
- USDA PLANTS Database USDA database showing county distribution of plant species in the US
- InvasiveSpecies.gov Information from the US National Invasive Species Council








_03.jpg)
.jpg)

























.jpg)


