In this article we will discuss about:- 1. Occurrence and Distribution of Selaginella 2. Sporophyte of Selaginella 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Selaginella: Selaginella is commonly called the spike moss. It includes over seven hundred species and reported practically from all parts of the world. Majority of the species occur in tropical rain forests and form a [...]
In this article we will discuss about:- 1. Occurrence of Angiopteris 2. Sporophyte of Angiopteris 3. Gametophyte 4. Phylogeny. Occurrence of Angiopteris: The family Angiopteridaceae has seven genera and nearly 145 species. All are tropical plants occurring in humid forests. Of the seven genera Marattia and Angiopteris are widely distributed. Angiopteris flourishesl in the tropical forests and is represented very [...]
In this article we will discuss about:- 1. Distribution of Psilotum 2. Sporophyte of Psilotum 3. Gametophyte 4. Phylogeny. Distribution of Psilotum: Though several species have been reported in Psilotum, all of them usually fall into two well defined species, viz., P. nudum (P. triquertum) and P.flaccidum (P. complanatum). The earlier reports of the existence of several species is probably [...]