Crustose Lichen on Granite, Marquette Co., Michigan
Star-tipped Reindeer Lichen Cladina stellaris and Green Reindeer Lichen Cladina mitis Isle Royale National Park, Michigan
Yellow Map Lichen Rhizocarpon geographicum, Single-spored Map Lichen Rhizocarpon disporum, and Shingled Rock Shield Ranthoparmelia somloensis, Pukskawa National Park, Ontario
Bark Lichen on White Spruce, McCormick Tract Wilderness
Orange-cored Shadow Lichen? Phaeophyscia rubropulchra
Crustose Lichen on Granite, Marquette Co., Michigan
Crustose Lichen on Granite, Marquette Co., Michigan
Fruticose Lichen on Norway Maple Tree Trunk, Marquette Co., Michigan
Crustose Lichen on Basalt and covered with Ice, Marquette Co., Michigan