Describe the types of lichens on the basis of their thallus organisation
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Different types of lichens on the basis of thallus organisation:
1. Crustose lichen- Leaf-like thalli and colonize the rocks after foliose lichen. They helps in absorbing more water and thus increases soil moisture content. e.g. Graphic scripta.
2. Foliose lichen- Thallus is flat with leaf-like lobes containing different layers of tissues. They colonise the bare surface of rocks first during succession. e.g. Parmelia.
3. Fruticose lichen- They have most complex thallus which is branched, cylindrical ot sometimes hanging like a tassel. They are found on branches of the tree on rocks etc. eg. Usnea, Cladonia
Please find below the solution to the asked query
Different types of lichens on the basis of thallus organisation:
1. Crustose lichen- Leaf-like thalli and colonize the rocks after foliose lichen. They helps in absorbing more water and thus increases soil moisture content. e.g. Graphic scripta.
2. Foliose lichen- Thallus is flat with leaf-like lobes containing different layers of tissues. They colonise the bare surface of rocks first during succession. e.g. Parmelia.
3. Fruticose lichen- They have most complex thallus which is branched, cylindrical ot sometimes hanging like a tassel. They are found on branches of the tree on rocks etc. eg. Usnea, Cladonia
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