Tag Archives | Lichens

Lichens: Definition, Structure and Reproduction (With Diagram)

In this article we will discuss about:- 1. Definition of Lichens 2. Structure of Lichens 3. Relationships 4. Reproduction. Definition of Lichens: Lichens are dual organisms or entities which contain a permanent association of a fungus or mycobiont and an alga or phycobiont. The fungal partner is usually an Ascomycota and sometimes, a basidiomycete. The algal partner is mostly a [...]

By |2016-12-12T06:53:06+00:00December 12, 2016|Lichens|Comments Off on Lichens: Definition, Structure and Reproduction (With Diagram)

4 Main Types of Lichen Thallus (With Diagram) | Botany

The following points highlight the four main types of lichen thallus. The types are: 1. Crustose (Crustaceous) Lichens 2. Foliose (Foliaceous) Lichens 3. Fruticose Lichens 4. Squamulose Lichens. Type # 1. Crustose (Crustaceous) Lichens: The thallus is of insignificant size. It is flat, thin usually without any distinct lobes. It is just like a thin layer or crust closely attached [...]

By |2016-11-28T11:34:35+00:00November 28, 2016|Lichens|Comments Off on 4 Main Types of Lichen Thallus (With Diagram) | Botany

Examples of Lichens (With Diagram)

The following points highlight the two main examples of lichens. The examples are: 1. Parmelia 2. Usnea. Example # 1. Parmelia: It is a common example of a foliose lichen which is found growing on the bark as well as the rock intermixed with the mosses at higher altitude (above 4,000 ft.). The heteromerous thallus is lobed to deeply incised. [...]

By |2016-11-28T11:34:35+00:00November 28, 2016|Lichens|Comments Off on Examples of Lichens (With Diagram)
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