The most common type of lichen are single-celled green algae of the genus Trebouxia.
what is an example of lichen
algae
Lichens is the group of fungus that is found growing on rocks.
b.)lichens
Lichens need sunlight, water, nutrients from the air including dust and some nutrients from the substrate they grow on they are sensitive to sulfur dioxide there are fluffy lichens, crusty lichens, scaly lichens, leafy lichens etc
Lichens are flora - plants.Lichens are flora - plants.
Lichens grow extremely slowly. Lichens are able to survive extreme conditions.
what is the mode of nutrition in lichens?
No , lichens are not unicelluar at all .
You may be speaking of an ecology; where ferns, mosses and lichens colonize an area of ground.Or you may be referring to a taxonomic group such as Orchidaceae.Both uses are acceptable, but obviously imprecise.
There are Crustose Lichens, Foliose Lichens and Fruticose Lichens in the Daintree Rainforest, but I'm sure there's more. The ones I gave you are just examples.
Lichens are air pollution indicators.