While the heart of the booklet is descriptions of 56 lichen species, accompanied by photos contributed by several different OMLA members, it also includes material on lichen structure …

A lichen (/ ˈ l aɪ k ən / LIE-kən, UK also / ˈ l ɪ tʃ ən / LI-chən) is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungi species, along with yeasts …

Dec 6, 2019 · Oral lichen planus (LIE-kun PLAY-nus) is an ongoing inflammatory condition that affects mucous membranes inside the mouth. There are several different types of lichen …

Feb 24, 2025 · Lichen are some of the oldest terrestrial organisms on the planet. They are found in almost all habitats. Lichen is often a pioneer on new rock, and its expansion and contraction …

Lichens have been used for many things by both animals and humans. They provide forage, shelter, and building materials for elk, deer, birds, and insects. In fact, some insects have …

In order to identify lichen to species, lichenologists use common household chemicals and some not-so-common chemicals to test the color reaction of the unique compounds found in the …

After s peaking with friends, neighbors and fellow gardeners, I’ve concluded that most people understand that these growths that appear on tree bark, rocks and other surfaces are called …

Lichen planus (LP) is a common inflammatory condition of the skin and mucous membranes with an uncertain etiology. Typical presentation sites for LP are the flexor surfaces, the trunk, as …