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Invasive

Plant Database
Life Forms
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Forb
Shrub
Aquatic
Grass or Grass-like
Vine
Broadleaf Tree
Groundcover
Habitats
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Roadsides
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Upland prairies
Shade Tolerance
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Soil & Moisture
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Moist
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All soil types
Aquatic
Moist to wet
Sandy soil
Rocky or gravelly soil
Dry
Dry to wet
Acidic soil
Coarse
Poorly drained
Suggested Action
No results found
Use BMPs to control on private property
Report to Oregon Invasives Hotline
Stem with ball cluster of unopened flowers
Biddy-Biddy
Acaena novae-zelandiae
Invasive
Light green cluster of winged seeds (samaras) of Norway Maple
Norway Maple
Acer platanoides
Invasive
Shoot and sprouts
Barbed Goat Grass
Aegilops triuncialis
Grass
Invasive
White flowers with pinkish spots growing in a terminal cluster.
Horse Chestnut
Aesculus hippocastanum
Invasive
a cluster of reddish brown samaras.
Tree of Heaven
Ailanthus altissima
Invasive
Garlic Mustard Alliaria petiolata Small plant with green heart shaped leaves
Garlic Mustard
Alliaria petiolata
Invasive
Tall spire of smaller purple flowers with yellow and white stamen
Indigo Bush
Amorpha fruticosa
Invasive
Field of tall stalks of long skinny leaves
Giant Reed
Arundo donax
Grass
Invasive
close up leaf edges
False Brome
Brachypodium sylvaticum
Grass
Invasive
tapering spikes of purple flowers thrust out from lance shaped leaves
Butterfly Bush
Buddleja davidii
Invasive
Cluster of small white and pink flowers
Flowering Rush
Butomus umbellatus
Invasive
Italian Thistle Carduus pycnocephalus Stalk with long spiky leaves and green spiky unopened flower pod
Italian Thistle
Carduus pycnocephalus
Invasive
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Life Forms

Habitats

Shade Tolerances

Soil & Moisture Conditions

Suggested Actions