A lichen (/ ˈlaɪkən / LIE-kən, UK also / ˈlɪtʃən / LI-chən) is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungus species, along with bacteria [1][2] embedded in the …

Feb 11, 2023 · A lichen is a symbiotic partnership between fungi and either algae or cyanobacteria. While you may not notice lichens in the world around you, they make up a significant part of the …

Lichens are bizarre organisms and no two are alike. Lichens are a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. The dominant partner is the fungus, …

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 …

What is a Lichen? 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; …

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 …

Dec 13, 2023 · For most lichen, the partnership is a fungus and one or more algae working together, however the secondary partner can also be a cyanobacteria. The secondary partner is called a …

May 22, 2025 · Lichens are group of organisms of composite nature, having two dissimilar organisms (algae and fungus) bounded in a symbiotic relationship. Algae or cyanobacteria and fungus forms …

Dec 1, 2025 · Discover the fascinating world of lichens: unique partnerships between fungi and algae found everywhere. Learn what makes them special.

Apr 16, 2025 · Lichens are actually two organisms, a fungi and algae (Photos 1-2). The two organisms occur together and form a symbiotic, or mutually beneficial, relationship. The fungi provide protection …