Fungi Archive

Physcia

General structure Physcia is foliose lichen. Physcia is divided into four regions internally. These regions are: 1. Upper cortex: It is present at the upper regions. It is composed of closely packed hyphae. Spaces are absent between them. If spaces are …

Agaricus

This is a large genus of fungi often synonymized with the term ‘mushrooms’, distributed mainly in temperate regions. Agaricus spp. are saprotrophs, growing in pastures and woodland litter. The mycelium is perennial and some species and some species, e.g. A. arvensis …

Pythium

Species of Pythium grow in water and soil as saprotrophs, but under suitable conditions, e.g. where seedlings are grown crowded together in poorly drained soil, they can become parasitic, causing diseases such as pre-emergence killing, damping off and foot rot. …

Taxonomy of fungi

Taxonomy is the science of classification, i.e. the ‘assigning of objects to defined categories’. Classification has three main functions: it provides a framework of recognizable features by which an organism under examination can be identified; it is an attempt to …