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Lichens

This gallery contains 26 photos of lichens, which form as a symbiotic relationship between an algae and a fungus. They are classified under the fungus kingdom and are therefore not plants.

Individual Pictures (26)

A Close-Up of a Lichen Thallus

A Lichen Encrusted Stone Surface

A Lichen Encrusted Stone Surface with Some Moss — A Lichen Encrusted Stone Surface with Some…

A Rock Covered with Lichen Thalli

A Rock That Has Been Heavily Colonized by Lichen Thalli — A Rock That Has Been Heavily Colonized by…

Bright Green Lichens on Darkly Colored Bark of a Tree — Bright Green Lichens on Darkly Colored Bark…

Close-Up of Lichens at Boyce Park

Group of Lichens Covering a Tree's Bark

Large Lichen Thalli Covering a Rock

Lichen on Log

Lichen on Tree Bark

Lichen on Tree Trunk

Lichen Thalli on the Surface of a Frost Wedged Rock — Lichen Thalli on the Surface of a Frost…

Lichens at Boyce Park

Lichens at the Flamingo Marina of Everglades National Park — Lichens at the Flamingo Marina of Everglades…

Lichens Growing on a Milkbark Tree

Lichens on a Rock

Lichens on Bark of Tree

Lichens that have Nearly Covered Trunk of Tree — Lichens that have Nearly Covered Trunk of…

Pale-Green Lichens at Boyce Park

Resurrection Fern and Lichen

Resurrection Fern (Close-Up)

Thick Lichen Coverage on Tree Bark

Whitish-Green Lichens Growing on Bark of a Tree — Whitish-Green Lichens Growing on Bark of…

Wilson Mountain-Ash Tree Covered With Lichens

Wolf Lichens Growing on Reddish-Brown Bark