Lichen, Algae, and Moss on Trees University of Maryland Extension

Lichen are living organisms composed of a fungus and algae living in a symbiotic relationship.

Bushes with dead spots - Ask Extension

Lake Martin Living February 2023 by Tallapoosa Publishers - Issuu

Species in lichen-forming fungi: balancing between conceptual and practical considerations, and between phenotype and phylogenomics

Yellow moss or fungus on tree trunk - Ask Extension

Tree Diseases University of Maryland Extension

Mușchi, licheni pe scoarța la pomi – ce trebuie să cunoaștem

2.4 - Types of Weathering - Biological Soil Genesis and Development, Lesson 2 - Processes of Weathering - passel

Lichen: Cute and fuzzy, but also a serious problem

CHAPTER 12 PRODUCTIVITY - Bryophyte Ecology - Michigan

Does moss and lichen on a crabapple tree affect the health of the tree? - Quora

Gray-green patches on trees are lichens