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 …

Dec 11, 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, …

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 …

May 22, 2025 · Some lichen contains aromatic substances in their thallus and are used to produce various cosmetics. Cetraria islandica contain carbohydrates in the form of lichenin.

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 …

A lichen is not a single organism the way most other living things are, but rather it is a combination of two organisms which live together intimately. Most of the lichen is composed of fungal filaments, but …

Tiny fragments of lichen have been found on the larvae of lacewing insects to help camouflage them and the insects disperse asexual lichen soredia (spore-like bits of lichen and algae) in return. Some …

A lichen is not a single organism, but the result of a partnership (mutualistic symbiosis) between a fungus and an alga or cyanobacteria. Some lichens are formed of three or more partners.

A lichen is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungus species, along with bacteria embedded in the corte...