Sisters District Weed Worries

Invasive Plant plant species of concern on Sisters Ranger District, Deschutes National Forest. Some species on this list have not been found on the district but need to be watched for.

All 13

Slender False Brome
Brachypodium sylvaticum

knapweeds ¹
Centaurea

diffuse knapweed ²
Centaurea diffusa

spotted knapweed ³
Centaurea stoebe

Rush Skeletonweed ⁴
Chondrilla juncea

Yellow Floating-heart ⁵
Nymphoides aquatica

common broom ⁶
Cytisus scoparius

oxeye daisy ⁷
Leucanthemum vulgare

creeping thistle ⁸
Cirsium arvense

Toadflax ⁹
Linaria

Spear thistle ¹⁰
Cirsium vulgare

common toadflax ¹¹
Linaria vulgaris

Cheatgrass/Downy Brome ¹²
Bromus tectorum

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Sisters District Weed Worries

Slender False Brome Brachypodium sylvaticum

knapweeds 1 Centaurea

diffuse knapweed 2 Centaurea diffusa

spotted knapweed 3 Centaurea stoebe

Rush Skeletonweed 4 Chondrilla juncea

Yellow Floating-heart 5 Nymphoides aquatica

common broom 6 Cytisus scoparius

oxeye daisy 7 Leucanthemum vulgare

creeping thistle 8 Cirsium arvense

Toadflax 9 Linaria

Spear thistle 10 Cirsium vulgare

common toadflax 11 Linaria vulgaris

Cheatgrass/Downy Brome 12 Bromus tectorum