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examples of lichens
examples of lichens
There are more than 20,000 species of lichen, found growing out of the soil, on tree trunks or on rocks; they grow in all climatic zones.
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foliose lichen
Lichen whose thallus resembles leaves or lobes that are loosely attached to their substrate and can be easily removed.
crustose lichen
Lichen whose thallus forms a crust that is firmly attached to its substrate.
fruticose lichen
Lichen whose thallus resembles a small tree; it is attached to its substrate at a single point.