In this article we will discuss about:- 1. Occurrence and Distribution of Ophioglossum 2. Sporophyte of Ophioglossum 3. Gametophyte 4. Phylogeny. Occurrence and Distribution of Ophioglossum: Of all the genera of the family, Ophioglossum is the most widely distributed being found in almost all the parts of the globe. The genus is divided into three sub-genera viz.: (i) Euophioglossum e.g., [...]
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 [...]