Thallaphyta
These plants grow mainly in water. This group of plants, which do not have specific parts like roat-stem- leaves-flowers but are autotrophic due to the presence of of chlorophyll, is called algae.
2) They may be unicellular or multicellular, and microscopic or large
3) Various types of fungi like yeasts and moulds,which do not have chlorophyll are also included in this group.