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

Taxonomy
« Back To Sunflowers, Bellflowers, Fanflowers, and Allies Order Asterales
- Sunflowers, Daisies, Asters, and Allies Family Asteraceae

knapweeds ¹
Centaurea

diffuse knapweed ²
Centaurea diffusa

spotted knapweed ³
Centaurea stoebe

Rush Skeletonweed ⁴
Chondrilla juncea

oxeye daisy ⁵
Leucanthemum vulgare

creeping thistle ⁶
Cirsium arvense

Spear thistle ⁷
Cirsium vulgare

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2. (c) Franz Xaver, some rights reserved (CC BY-SA)
3. (c) Matt Lavin, some rights reserved (CC BY-SA)
4. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
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7. (c) Sciadopitys, some rights reserved (CC BY-SA)

Sisters District Weed Worries

knapweeds 1 Centaurea

diffuse knapweed 2 Centaurea diffusa

spotted knapweed 3 Centaurea stoebe

Rush Skeletonweed 4 Chondrilla juncea

oxeye daisy 5 Leucanthemum vulgare

creeping thistle 6 Cirsium arvense

Spear thistle 7 Cirsium vulgare