Land Plants - invasive

Japanese Knotweed (Fallopia japonica) on Oct 18, 2017

Submitter does not have a specimen

Description of specimen

Patch is located off trail on west side of Tryon Creek. From Lewis and Clark trail, look for alder debris/log jam. Patch is adjacent and part of debris dam.

Commentary

None

Remedy

Identify and manage knotweeds in the Pacific Northwest

Location

Tryon Creek State Natural Area. Specifically, within Tryon Creek channel between North Creek Trail and Lewis and Clark trail. I accessed the infestation from Lewis and Clark trail 0.1 mile North of High bridge.

Expert Reviewer

Mrs. Lindsey Wise
Oregon Biodiversity Information Center, inr.oregonstate.edu/orbic
Oregon iMapInvasives
Institute for Natural Resources
Portland State University

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