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 [...]
In this article we will discuss about:- 1. Occurrence and Distribution of Marsilea 2. Sporophyte of Marsilea 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Marsilea: The genus (Marselia) owes its name to Carl Linnaeus (1753) who named it after the Italian count Luigi Ferdinando Marsigli. It is one of the most widely distributed among ferns. But the genus has [...]
In this article we will discuss about:- 1. Occurrence of Isoetales 2. Sporophyte of Isoetales 3. Gametophyte 4. Phylogeny. Occurrence of Isoetales: The genus Isoeles has about 65 species reported from many parts of the world. In our country also Isoeles is represented by many species. Panigrahi (1981) has reported the occurrence of nine species of Isoeles from India. Some [...]