Fungi → Lecanoromycetes → Stereocaulaceae
Chalk Foam Lichen
Stereocaulon spathuliferum
Connor Dooley · CC-BY-NC
ORBIC List 2S1
State Rank
SX
S1
S2
S3
S4
S5
S1 — Critically Imperiled in Oregon
G4G5
Global Rank
Apparently Secure
List 2
ORBIC
Threatened in Oregon
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
West Cascades
Counties
Jackson · Lane · Linn · Marion
Other states / provinces
Asia
Range map
Certain
Possible
Extirpated
Absent