The Xanthophyta or Heterokontae are commonly known as yellow-green algae include only one class Xanthophyceae. This division has close relationship with the Ghlorophyta comprising both marine and fresh-water forms. Certain species grow on drying mud, on trunk of trees, on damp walls, and similar other habitat. There are varied forms of vegetative body ranging from unicellular coccoid, siphonaceous to filamentous [...]
In this article we will discuss about:- 1. Occurrence of Vaucheria 2. Thallus Structure of Vaucheria 3. Affinities. Occurrence of Vaucheria: Vaucheria is represented by 54 species of which about 19 species are found in India. Vaucheria is found mostly in fresh water but about six species are marine and some are terrestrial found on moist soil. The terrestrial species [...]
In this article we will discuss about the vegetative and sexual methods of reproduction that occur in the life cycle of vaucheria. 1. Vegetative Reproduction in Vaucheria: The vegetative reproduction takes place by fragmentation. The thallus can break into small fragments due to mechanical injury or insect bites etc. A septum develops at the place of breaking to seal the [...]