Gary Walton:
An unknown foliose lichen
Gary Walton:
An unknown foliose lichen
Gary Walton:
Arthonia radiata (asterisk lichen)
Gary Walton:
Baeomyces rufus
Gary Walton:
Betula papyrifera (Paper Birch) with lichens and the algae Trentepohlia
Gary Walton:
Buellia punctata and several other lichens on cottonwood branch
Gary Walton:
Buellia punctata and several other lichens on cottonwood branch
Gary Walton:
Calicium (Whisker Lichens)
Gary Walton:
Calicium (Whisker Lichens)
Gary Walton:
Calicium (Whisker Lichens)
Gary Walton:
Caloplaca cerina
Gary Walton:
Caloplaca cerina, a blue crustose lichen on black ash
Gary Walton:
Cladonia Lichens on Burned Pine Stump
Gary Walton:
Cladonia cristalla
Gary Walton:
Cladonia gracilis ssp. turbinata and Polytrichum Moss
Gary Walton:
Cladonia lichens growing on a bracket fungus
Gary Walton:
Cladonia lichens growing on a bracket fungus
Gary Walton:
Cladonia sp.
Gary Walton:
Crustose lichen
Gary Walton:
Crustose lichen
Gary Walton:
Crustose lichen
Gary Walton:
Crustose lichen (Ochrolechia arborea?)
Gary Walton:
Crustose lichen (damp) on old wood
Gary Walton:
Crustose lichen (dry) on old wood
Gary Walton:
Crustose lichen (dry) on old wood
Gary Walton:
Crustose lichen and other lichens on balsam poplar tree
Gary Walton:
Crustose lichen on aspen
Gary Walton:
Crustose lichen on old wood
Gary Walton:
Crustose lichen on old wood
Gary Walton:
Crustose lichen on old wood
