Plantae → Dicotyledoneae → Polygonaceae
Water Knotweed
Polygonum polygaloides ssp. esotericum
Vascular Plants
ORBIC List 3SNR
State Rank
SX
S1
S2
S3
S4
S5
SNR — Not Ranked
G4G5T3
Global Rank
Apparently Secure
List 3
ORBIC
Sensitive / Vulnerable
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
N. Basin & Range
East Cascades
Counties
Harney · Klamath · Malheur · Wasco
Other states / provinces
CA
Range map
Certain
Possible
Extirpated
Absent