Chromista → Phaeophyceae → Lessoniaceae
Giant Kelp
Macrocystis pyrifera
Theo Summer · CC-0
ORBIC List 3S2
State Rank
SX
S1
S2
S3
S4
S5
S2 — Imperiled in Oregon
GNR
Global Rank
Not Yet Ranked
List 3
ORBIC
Sensitive / Vulnerable
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Marine & Estuarine
Counties
Coos
Other states / provinces
CA, WA, AK, BC, Mexico, Chile
Range map
Certain
Possible
Extirpated
Absent