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.

Frontiers The Lichens' Microbiota, Still a Mystery?

Question about health of tree - Ask Extension

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

Tree Problems - Nonliving University of Maryland Extension

Are You Lichen the Bark? Beautiful Bark

PDF) Lichen Community Response to Prescribed Burning and Thinning in Southern Pine Forests of the Mid-Atlantic Coastal Plain, USA

Mold Covering Tree - Ask Extension

Please help us figure out what's wrong with our Japanese maple - Ask Extension

Sustainability, Free Full-Text