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Lichens, stereocaulon, close up
Lichens, stereocaulon
Lichens, stereocaulon
Lichens, Reindeer moss
Lichens, Peltigera
Lichens, Parmelia caperata on black spruce, near view
Lichens, Parmelia caperata on black spruce
Lichens on West side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on West side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on twig of Larix laricina, several species
Lichens on twig of Larix laricina, several species
Lichens on twig of Larix laricina, several species
Lichens on twig of Larix laricina, close up
Lichens on tree trunk
Lichens on Southwest side of a Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on Southeast side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on rocks, Rosette
Lichens on rocks 550 feet from foot of Great Glacier
Lichens on rocks 450 feet from foot of Great Glacier
Lichens on Northwest side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on Northwest side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on Northwest side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on Northwest side of Bur oak at Agassiz dunes, Fertile, Minnesota
Lichens on log, foliose
Lichens on fallen log, close-up, Cladonia squamosa
Lichens on fallen log, Cladonia palamaea
Lichens on Cereus atacama stem
Lichens on branch
Lichens on birch trunk
Lichens, Graphis seripta on balsam
Lichens, Graphis seripta on balsam
Lichens, Graphis seripta on balsam
Lichens, Graphis seripta on balsam
Lichens, Graphis seripta on balsam
Lichens, coral-like, and twigs of sumac, close up
Lichens, coral-like, and twigs of sumac
Lichens, Cladonia, sterile, cup-life
Lichens, Cladonia, scarlet tips
Lichens, Cetraria ciliaris
Lichen, Rinodina oreina (Dimelaena oreina)
Lichen, Physcia caesia
Lichen, Parmelia capirata
Lichen, Lecanora cinerea (Aspicilia cinerea)
Lichen festoon
Lichen draped Larix laricina, another view
Lichen draped Larix laricina
Lichen covered twigs of Larix laricina, close up
Lichen covered twigs of Larix laricina
Lichen covered twigs of Larix laricina
Lichen covered tree trunk, Larix laricina, close up