Coprinopsis cinerea

Coprinopsis spec. - Lindsey 2a

Coprinopsis cinerea, commonly known as the gray shag, is a species of mushroom in the family Psathyrellaceae. It is notable for its role in scientific research, particularly in the study of fungal development and genetics. This mushroom is characterized by its ephemeral fruiting bodies which rapidly disintegrate after maturing, a process known as deliquescence. Coprinopsis cinerea is found in various habitats worldwide, thriving on decaying organic matter.

Description

Coprinopsis cinerea features a cap that is initially egg-shaped but opens out to become bell-shaped, measuring 2 to 5 cm in diameter. The cap surface is covered in fine, gray to black fibers, giving it a shaggy appearance. As the mushroom matures, the cap edges dissolve into a black, inky liquid, a distinctive feature of many mushrooms in the genus Coprinopsis. The gills are closely spaced, starting out white and becoming black as the spores mature. The stem is slender, hollow, and white, ranging from 4 to 10 cm in height.

Habitat and Distribution

This species is saprotrophic, meaning it feeds on decomposing organic matter. It is commonly found in woodlands, gardens, and grassy areas, particularly where there is rotting wood or other plant debris. Coprinopsis cinerea has a cosmopolitan distribution, occurring in both temperate and tropical regions around the world.

Ecological Role

As a decomposer, Coprinopsis cinerea plays a crucial role in its ecosystem by breaking down dead organic material, which recycles nutrients back into the soil. This process supports the growth of plants and maintains the health of the environment.

Genetic Research

Coprinopsis cinerea has become a model organism in mycology due to its relatively simple lifecycle, ease of cultivation in the laboratory, and the ability to undergo sexual reproduction. Its genome has been fully sequenced, providing valuable insights into fungal genetics, cell biology, and the evolution of multicellularity in fungi. Research on this mushroom has contributed to understanding the genetic basis of development, fungal-bacterial interactions, and the mechanisms of spore dispersal.

Culinary and Medicinal Use

While Coprinopsis cinerea is not considered toxic, it is not generally regarded as edible due to its rapid decomposition and insubstantial nature. There is no significant record of its use in traditional medicine.

Conservation

Currently, there are no known significant threats to Coprinopsis cinerea, and it is not listed on any conservation lists. Its widespread distribution and ability to thrive in a variety of habitats contribute to its stable population status.