Animalia → Bivalvia → Margaritiferidae
Western Pearlshell
Margaritifera falcata
Lee Cain · CC-BY
ORBIC List 2S3SOC
State Rank
SX
S1
S2
S3
S4
S5
S3 — Vulnerable in Oregon
G3G4
Global Rank
Vulnerable
SOC
Federal ESA
Species of Concern
List 2
ORBIC
Threatened in Oregon
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Blue Mountains
N. Basin & Range
Columbia Basin
Coast Range
East Cascades
Klamath Mountains
West Cascades
Willamette Valley
Counties
Baker · Benton · Clackamas · Clatsop · Columbia · Coos · Crook · Curry · Deschutes · Douglas · Gilliam · Grant · Harney · Hood River · Jackson · Jefferson · Josephine · Klamath · Lake · Lane · Lincoln · Linn · Malheur · Marion · Morrow · Multnomah · Polk · Sherman · Tillamook · Umatilla · Union · Wallowa · Wasco · Washington · Wheeler · Yamhill
Other states / provinces
AK, BC, CA, ID, NV, WA +
Range map
Certain
Possible
Extirpated
Absent