Crustose lichen
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Crustose lichens are lichens that form a crust which strongly adheres to the substrate, making separation from the substrate impossible without destruction. The basic structure of crustose lichens con
Crustose lichens on a wall
Growth of crustose lichen on a tree trunk
Lepraria incana, a powdery lichen
Lecidea atrobrunnea, an endolithic lichen
Lecidea
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Lecidea is a genus of crustose lichens with a carbon-black ring or outer margin around the fruiting body disc, usually found growing on or in rock. Lichens that have such a black exciple are called le
Crustose lichen
…Vezdaea Endolithic – grows inside the rock, usually in interstitial spaces between mineral grains. The upper cortex is usually developed. E.g. Genus Lecidea Epilithic – grows on top of the rock without penetrating the rock substrate. E.g. Acarospora fuscata Epiphloeodal – grows only on the surface of plants…
Lecidea fuscoatra 98284