Common lichen growth forms Beginning in 1867, a lichen (/ˈlaɪkən/ LY-kən, UK also /ˈlɪtʃən/ LITCH-ən) was understood as a symbiosis of an algae or cyanobacteria...

Lichen planus (LP) is a chronic inflammatory and autoimmune disease that affects the skin, nails, hair, and mucous membranes. It is not an actual lichen...

Lichen sclerosus (LS) is a chronic, inflammatory skin disease of unknown cause which can affect any body part of any person but has a strong preference...

Look up lichen in Wiktionary, the free dictionary. Lichen is a type of symbiotic organism. Lichen may also refer to: Lichens (musician), Robert Lowe's...

Licheń Stary [ˈlixɛɲ ˈstarɨ] is a village in the administrative district of Gmina Ślesin, within Konin County, Greater Poland Voivodeship, in central Poland...

jelly lichen, is a species of foliose lichen in the family Collemataceae. Formerly known as Collema conglomeratum, it was renamed in 2013. This lichen has...

the wolf lichen, powdered sunshine lichen, and the ground lichen), not all have a cultural history of usage as an edible lichen. Often lichens are merely...

A foliose lichen is a lichen with flat, leaf-like lobes, which are generally not firmly bonded to the substrate on which it grows. It is one of the three...

Symbiosis in lichens is the mutually beneficial symbiotic relationship of green algae and/or blue-green algae (cyanobacteria) living among filaments of...

Trouble with Lichen (published 1960) is a science fiction novel by British writer John Wyndham. The plot concerns a young female biochemist who discovers...

leafy, the lichen may appear to be a foliose lichen, but the underside does not have a "skin" (cortex), as foliose lichens do. Squamulose lichens are composed...

Lichen simplex chronicus (LSC) is thick leathery skin with exaggerated skin markings caused by sudden itching and excessive rubbing and scratching. It...

An endolithic lichen is a crustose lichen that grows inside solid rock, growing between the grains, with only the fruiting bodies exposed to the air....

Lichen striatus is a rare skin condition that is seen primarily in children, most frequently appearing ages 5–15.: 226–27  It consists of a self-limiting...

A fruticose lichen is a form of lichen fungi that is characterized by a coral-like shrubby or bushy growth structure. It is formed from a symbiotic relationship...

Our Lady of Licheń [ˈlixɛɲ] is a Roman Catholic church located at the Shrine of Our Lady of Sorrows, Queen of Poland, in the village of Licheń Stary near...

Lichen ruber is one of several diseases of the skin: Lichen ruber moniliformis (Wise–Rein disease) Lichen ruber planus (lichen planus) This disambiguation...

The following outline provides an overview of and topical guide to lichens. Lichen – composite organism made up of multiple species – a fungal partner...

Lichen morphology describes the external appearance and structures of a lichen. These can vary considerably from species to species. Lichen growth forms...

A foliicolous lichen is a lichen which grows on the surfaces of living leaves of vascular plants, usually inhabiting the upper surface (epiphyllous) but...

Crustose lichens are lichens that form a crust which strongly adheres to the substrate (soil, rock, tree bark, etc.), making separation from the substrate...

A lignocolous lichen is a lichen that grows on wood that has the bark stripped from it. This is to be compared to a corticolous lichen that grows on bark...

Lichen nitidus is a chronic inflammatory disease of unknown cause characterized by 1–2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored...

A corticolous lichen is a lichen that grows on bark. This is contrasted with lignicolous lichen, which grows on wood that has had the bark stripped from...

Gonatista grisea, common name grizzled mantis, Florida bark mantid or lichen mimic mantid, is a species of praying mantis native to the southern United...

body part of the lichen. The name comes from the name of the lichen genus Lecanora, whose members have such apothecia. If a lichen has lecanorine apothecia...

Parmelia squarrosa, commonly known as the bottlebrush shield lichen, is a species of foliose lichen in the family Parmeliaceae. It occurs in east Asia, Europe...

bryophilous lichen is one that grows on a bryophyte – that is, on a moss or liverwort. Those which grow on mosses are known as muscicolous lichens, while those...

This glossary provides an overview of terms used in the description of lichens, composite organisms arising from algae or cyanobacteria living symbiotically...

A saxicolous lichen is a lichen that grows on rock. The prefix "sax" from the Latin saxum means "rock" or "stone". Saxicolous lichens exhibit very slow...