Lichens of Audubon Wildlife Sanctuary
Cetraria orbata
Cladonia bellidiflora
Cladonia chlorophaea
Cladonia sp.
Evernia prunastri
Hypogymnia imshaugii
Hypogymnia inactiva
Hypogymnia physodes
Hypogymnia tubulosa
Melanelia exasperatula
Parmelia sulcata
Platismatia glauca
Platismatia herrei
Ramalina farinacea
Usnea wirthii
Xanthoria polycarpa
Survey conducted by Alice Froehlich, November 2006
excerpted from
A Look at Willamette Valley Air Quality using Lichen Communities as Bioindicators, by Alice Froehlich
Additional Resources: US Forest Service Pacific Northwest Lichen Sensitivity Ratings by Species