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With the exception of calicioid lichens, lichen growth forms are based on the appearance of the thallus, which is the vegetative (non-reproductive) part of the lichen. [5] In most species, this form is determined by the lichen's fungal partner, though in a small number, it is instead the alga or cyanobacteria (the lichen's photosynthetic ...
Chrysothrix candelaris, commonly known as the mustard powder lichen [1] or gold dust lichen, [2] is a species of leprose (powdery) lichen in the family Chrysothricaceae. It typically grows on tree bark , although it has also been recorded growing on rock .
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 and bacteria [1] [2] embedded in the cortex or "skin", in a mutualistic relationship.
Teloschistes flavicans has a distinctive growth pattern characterized by the formation of cilia (specialized fungal outgrowths) at its branch tips. The thallus (body) of the lichen grows from recurved (curved inward) apices that contain both fungal cells and photobiont (algal) cells in an unstratified arrangement. These growing points give rise ...
Lichen. Lichenology is the branch of mycology that studies the lichens, symbiotic organisms made up of an intimate symbiotic association of a microscopic alga (or a cyanobacterium) with a filamentous fungus.
This article about lichens or lichenology is a stub. You can help Wikipedia by expanding it.
About one-third of all lichen photobionts are cyanobacteria, while the remaining two-thirds are green algae. [2] Some lichens host both green algae and cyanobacteria alongside their fungal component. These are known as "tripartite" lichens. In most lichens, the photobiont forms an extensive layer covering much of the lichen body (the thallus).
Chrysothrix is a genus of lichen-forming fungi in the family Chrysotrichaceae. [3] They are commonly called gold dust lichens or sulfur dust lichens, [4]: 253 because they are bright yellow to greenish-yellow, sometimes flecked with orange, and composed entirely of powdery soredia. [5] Apothecia are never present in North American specimens. [5]