What are Thallophyta ?

Thallophyta are group of plants in which the body is not differentiated into stem, roots and leaves. This body is called thallus. Algae and Bryophyta come under thallophytes. 

The thallophytes (Thallophyta or Thallobionta) are a polyphyletic group of non-mobile organisms traditionally described as "thalloid plants", "relatively simple plants" or "lower plants".The thallophytes (Thallophyta or Thallobionta) are a polyphyletic group of non-mobile organisms traditionally described as "thalloid plants", "relatively simple plants" or "lower plants". They were a defunct division of kingdom Plantae that included fungus, lichens and algae and occasionally bryophytes, bacteria and the Myxomycota. have a hidden reproductive system and hence they are also called Cryptogamae (together with ferns), as opposed to Phanerogamae. The thallophytes are defined as having undifferentiated bodies (thalli), as opposed to cormophytes (Cormophyta) with roots and stems.

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