The genus Gastrocybe refers to a group of mushrooms belonging to the family Tricholomataceae. It comprises various species known for their unique characteristics and habitat preferences.

In a botanical context, "genus" refers to a rank in the classification of organisms, specifically fungi, that groups together closely related species with common characteristics.

Gastrocybe species are commonly found in forested areas and are known for their toxicity. Some species within this genus are edible, but others can cause severe gastrointestinal distress if consumed.

Gastrocybe mushrooms are often characterized by their distinctive cap shape, colors, and spore prints. They play a vital ecological role in nutrient cycling within forest ecosystems.