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3,591 common lichens species
Graphis librata
Graphis lineola
Graphis striatula
Graphis tenella
Gyalecta kukriensis
Gyalecta peziza
Gyalectidium filicinum
Gyalectidium floridense
Gyalidea hyalinescens
Gyalideopsis floridae
Gyalideopsis moodyae
Gyalideopsis piceicola
Gyalideopsis vainioi
Halecania viridescens
Helocarpon crassipes
Heterodermia albicans
Heterodermia appalachensis
Heterodermia barbifera
Heterodermia boryi
Heterodermia chondroidea
Heterodermia crocea
Heterodermia dendritica
Heterodermia diademata
Heterodermia echinata
Heterodermia erecta
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