Plantae → Dicotyledoneae → Lythraceae
An Ammannia
Ammannia robusta
Gabriel Campbell-Martinez · CC-BY
ORBIC List 2S1
State Rank
SX
S1
S2
S3
S4
S5
S1 — Critically Imperiled in Oregon
G5
Global Rank
Secure
List 2
ORBIC
Threatened in Oregon
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Blue Mountains
Columbia Basin
Willamette Valley
Counties
Benton · Malheur · Morrow · Multnomah · Sherman · Union · Wasco
Other states / provinces
CA, ID, NV, WA +
Range map
Certain
Possible
Extirpated
Absent