United States Forest Service
National Lichens & Air Quality Database and Clearinghouse
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Explanation
Lichen Plot Data
Elemental Analysis Data
Element Threshold Data (R6)
Lichen Species Data
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Western US Sensitivity Ratings
Pacific NW Sensitivity Ratings
Air Pollution Effects on Lichens
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Lichen Photographs
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Conditions of Photograph Use
Ahtiana sphaerosporella
Alectoria sarmentosa
Arctoparmelia centrifuga
Arctoparmelia incurva
Aspicilia fruticulose
Baeomyces rufus
Bunodophoron melanocarpum
Bunodophoron melanocarpum
Calicium abietinum
Calicium adaequatum
Calicium adspersum
Calicium glaucellum
Calicium salicinum
Calicium viride
Caloplaca adnexa
Caloplaca coralloides
Caloplaca saxicola
Caloplaca trachyphlla
Caloplaca trachyphlla
Candelariella rosulans
Cetralia alaskana
Cetraria aculeata
Cetrelia cetrarioides
Cetrelia cetrarioides
Chaenotheca brunneola
Chaenotheca chrysocephala
Chaenotheca furfuracea
Chaenotheca furfuracea
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