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www.reference.com/article/lichens-grow-5881b488ae0264e3

Lichens grow on all continents and have the ability to survive all altitudes and climates. In general, all lichens require time, undistributed surfaces and clean air to survive and thrive.

www.reference.com/article/two-organisms-make-up-lichens-c721c638d6d1c777

Lichens are symbiotic creatures that are comprised of both fungi and algae. Typically, a lichen is comprised of a fungal filament with green algae living inside of the filament. Cyanobacteria may also reside inside of the fungal filament to complete the lichen.

www.reference.com/article/diseases-can-lichens-give-9092d296d5491b1a

While the lichen plant can't cause any diseases, "lichen" is also a term that describes skin diseases such as lichen sclerosus and lichen planus, as Mayo Clinic explains. However, doctors do not know the cause of lichen diseases, but some suspect it relates to the immune system.

www.reference.com/article/kind-tree-white-bark-3a8beb1c8792cc76

Several commonly planted trees have white bark, including varieties of birch, sycamore and poplar. Among these trees, however, the look of the bark and trunk and their particular shade of white can differ greatly. Thus, an inspection of both, as well as the trees' leaves, can help with identificatio

www.reference.com/article/symptoms-diseases-related-lichens-a46538456a06afe2

Symptoms of diseases related to lichens include itching, skin blotches, blisters, bleeding and ulcers, states Mayo Clinic. Lichen-related diseases generally manifest in skin conditions and rashes.

www.reference.com/article/removing-bark-kill-tree-a7af9a12c688d490

According to New Mexico State University, removing a complete band of tree bark from a tree can kill the tree because it contains the phloem layer that is responsible for carrying food to the roots. When the tree has no way to receive food, the roots will eventually die and stop sending water and ot

www.reference.com/article/fix-tree-bark-missing-18005ce1ddddc5f

While there are several approaches to repairing missing bark from a tree, New Mexico State University recommends using bark grafting. Since this process uses thumb-sized branches from the tree, it works even when the original bark is missing. It is especially useful in repairing damage from vehicles

www.reference.com/article/trees-bark-damage-healed-35ce656cac3eb444

Healing trees with bark damage involves several actions, including physical repair, filling cavities and pruning. When wounded, trees respond in two ways: compartmentalization and development of protective zones. Regardless of how trees react to injury, however, there are several methods used to hel

www.reference.com/article/kingdoms-lichen-belong-a50615b0da717fc8

Lichens may belong to one, two, or all three of the following kingdoms: Fungi, Protista and Monera. Lichens are groups of multiple organisms, which may occur in the forms of fungi, protists and monerans. Although they share the classification of lichens, species vary widely in habitat, appearance an

www.reference.com/article/causes-lichen-planopilaris-2f389fbe2fe1be0a

The cause of lichen planopilaris is unknown, states Mayo Clinic. It may be triggered by hepatitis C infections, the hepatitis B vaccine, the flu vaccine, exposure to certain pigments and chemicals, NSAIDs, and certain heart disease or blood pressure medications. It is commonly known as lichen planus