1) Cryptogam 1) Lichen 
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. They have...
• (n.) A plant belonging to the Thallophyta. • (n.) Same as Thallogen.
(from the article `Endlicher, Stephan`) ...to the classification of certain lower vascular plant families and was widely adopted on the European continent for a time. His Genera Plantarum, ...
Thal'lo·phyte noun [ Greek ... young shoot + ... plant.] (Botany) Same as Thallogen . 
Type: Term Pronunciation: thal′ō-fīt Definitions: 1. A member of the division Thallophyta.
A thallophyte is a plant with a thallus body, such as seaweed or liverwort.
[n] - any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf
noun any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf