The shape of a lichen is usually determined by the organization of the fungal filaments. [36] The nonreproductive tissues, or vegetative body parts, are called the thallus. Lichens are grouped by …

Feb 11, 2023 · A lichen is a symbiotic relationship between a fungus and a photosynthetic partner (algae, cyanobacteria, or both). Lichens grow all over the world and can even survive exposure to …

Oct 31, 2025 · Lichen, any of about 15,000 species of plantlike organisms that consist of a symbiotic association of algae (usually green) or cyanobacteria and fungi. They are found worldwide and occur …

The dominant partner is the fungus, which gives the lichen the majority of its characteristics, from its thallus shape to its fruiting bodies. The alga can be either a green alga or a blue-green alga, …

Jul 18, 2025 · Lichen is not a single organism but rather a complex partnership between two or more different organisms living together symbiotically. Primarily, it consists of fungi and algae (or …

A lichen is not a single organism; it is a stable symbiotic association between a fungus and algae and/or cyanobacteria. Like all fungi, lichen fungi require carbon as a food source; this is provided by their …

May 22, 2025 · Squamulose lichen – It is lichen that is composed of overlapping scales called squamules. If they appear leafy, they may look like foliose lichen but the lower cortex is absent as …