What kind of organisms are present in Thallophyta?

What kind of organisms are present in Thallophyta?  
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Thallophyta includes plants, which have simple plant body, which is not differentiated into root, stem and leaves, called thallus. Therefore these plants are called thallophytes. Their reproductive organs are unicellular and not protected by sterile cells. Two main groups are Fungi and Algae.  
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