Animalia → Bivalvia → Sphaeriidae

Montane Peaclam

Pisidium ultramontanum

Invertebrate Animals

ORBIC List 1S1SOC

State Rank

SX
S1
S2
S3
S4
S5

S1 — Critically Imperiled in Oregon

What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories

Ecoregions

N. Basin & Range
East Cascades
Willamette Valley

Counties

Clackamas · Klamath · Lake · Malheur · Multnomah

Other states / provinces

CA

Range map

Certain
Possible
Extirpated
Absent