Clustered Mushroom vs Pygmy three-toed sloth

Agaricus cappellianus compared with Bradypus pygmaeus

Key Differences

• Clustered Mushroom is Not Evaluated while Pygmy three-toed sloth is Critically Endangered.

Taxonomic Classification

Rank	Clustered Mushroom	Pygmy three-toed sloth
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Pilosa (Sloths & Anteaters)
Family	Agaricaceae (Agarics)	Bradypodidae (Three-toed Sloths)
Genus	Agaricus (Button Mushrooms)	Bradypus (Three-toed Sloths)
Species	Agaricus cappellianus	Bradypus pygmaeus

Conservation Status

Clustered Mushroom

NE — Not Evaluated

Pygmy three-toed sloth

CR — Critically Endangered

Physical Characteristics

Attribute	Clustered Mushroom	Pygmy three-toed sloth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Clustered Mushroom

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Pygmy three-toed sloth

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Clustered Mushroom

Agaricus cappellianus is a saprotrophic agaric fungus in the family Agaricaceae, the family containing the cultivated button mushroom (A. bisporus). Like other members of the genus Agaricus, A. cappellianus produces a cap with free gills that start out white or pink and darken to brown or blackish-brown as the spores mature. The stipe bears an annulus (ring) and is separate from the cap at maturity. A. cappellianus is known primarily from Europe, where it grows in grassy habitats, woodland edges, and gardens. The genus Agaricus is large, with hundreds of species globally, and field identification can be challenging. Important identification characters include cap color and texture, flesh-bruising reactions (yellowing or reddening), smell (anise-like vs. phenolic), spore color and size, and stipe characteristics. Some Agaricus species are edible and prized, while others contain phenolic compounds that cause gastrointestinal upset. Formal IUCN conservation status has not been assessed for A. cappellianus. The species has not been widely studied, and limited information is available on its ecology, host range, and distribution.