Plantae → Monocotyledoneae → Amaryllidaceae
One-Leaved Onion
Allium unifolium
Irene · CC-0
ORBIC List 4S4
State Rank
SX
S1
S2
S3
S4
S5
S4 — Apparently Secure in Oregon
G4G5
Global Rank
Apparently Secure
List 4
ORBIC
Apparently Secure
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Willamette Valley
Counties
Polk · Yamhill
Other states / provinces
CA
Range map
Certain
Possible
Extirpated
Absent