In this article we will discuss about the general features and phylogenetic relationships of rhodophyta. General Features of Rhodophyta: The Rhodophyta or red algae are almost entirely confined to the sea. Both fresh- and salt-water members of this group are comparatively few in number. The freshwater forms prefer well-aerated water. The marine forms are of world-wide distribution being predominantly represented [...]
In this article we will discuss about the classification of nemalionales. Family Batrachospermaceae: This family includes algae whose plant body is of soft, thick, gelatinous branched thallus differentiated into structures resembling nodes and internodes. Branches arise in whorls from the nodes. Asexual reproduction is by monospores and sexual reproduction oogamous by the development of carpogonia and spermatangia. Zygotic nucleus, divides [...]
In this article we will discuss about:- 1. Occurrence of Polysiphonia 2. Cell Structure of Polysiphonia 3. Growth 4. Life Cycle. Occurrence of Polysiphonia: Polysiphonia is a large genus with about 200 species. The genus is represented in India by about 16 species found is southern and western coasts of India. Some common Indian species are P. ferulacea, P. urceolata [...]