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  2. Crustose lichen - Wikipedia

    en.wikipedia.org/wiki/Crustose_lichen

    Crustose lichens on a wall Growth of crustose lichen on a tree trunk. Crustose lichens are lichens that form a crust which strongly adheres to the substrate (soil, rock, tree bark, etc.), making separation from the substrate impossible without destruction. [1] The basic structure of crustose lichens consists of a cortex layer, an algal layer ...

  3. Lichen growth forms - Wikipedia

    en.wikipedia.org/wiki/Lichen_growth_forms

    A leprose lichen, which is typically considered to be a form of crustose lichen, is one with a powdery or dust-like appearance. Its undifferentiated thallus is an irregular mix of fungal hyphae and scattered photobiont cells, lacking a cortex or any definable layers.

  4. Crustose - Wikipedia

    en.wikipedia.org/wiki/Crustose

    A crustose lichen, Caloplaca marina. Crustose is a habit of some types of algae and lichens in which the organism grows tightly appressed to a substrate, forming a biological layer. Crustose adheres very closely to the substrates at all points. Crustose is found on rocks and tree bark. [1]

  5. Lichen - Wikipedia

    en.wikipedia.org/wiki/Lichen

    A crustose lichen that grows on rock is called a saxicolous lichen. [37] [40]: 159 Crustose lichens that grow on the rock are epilithic, and those that grow immersed inside rock, growing between the crystals with only their fruiting bodies exposed to the air, are called endolithic lichens.

  6. Buellia frigida - Wikipedia

    en.wikipedia.org/wiki/Buellia_frigida

    Buellia frigida is a species of saxicolous (rock-dwelling), crustose lichen in the family Caliciaceae.It was first described from samples collected from the British National Antarctic Expedition of 1901–1904.

  7. Verrucariaceae - Wikipedia

    en.wikipedia.org/wiki/Verrucariaceae

    Verrucariaceae is a family of lichens and a few non-lichenised fungi in the order Verrucariales. The lichens have a wide variety of thallus forms, from crustose (crust-like) to foliose (bushy) and squamulose (scaly). Most of them grow on land, some in freshwater and a few in the sea.

  8. Glossary of lichen terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_lichen_terms

    Refers to crustose lichens whose thalli are almost immersed in tree bark; characteristic of several species in the Thelenellaceae. [250] The term was first used by Friedrich Wallroth in 1825. [3] See related: endophloeodic. hypothallus The first hyphae to grow in a crustose lichen; [251] often blackish in color, it is where rhizines originate ...

  9. Pertusariales - Wikipedia

    en.wikipedia.org/wiki/Pertusariales

    The order Pertusariales is a group of mostly lichen-forming fungi. The thallus, or lichen body, is typically crustose, meaning it forms a crust-like layer that closely adheres to the substrate. In some species, the thallus may rarely be slightly lobed or have a small, leaf-like appearance (minutely foliose). [5]