Calocybe

{{Short description|Genus of fungi}}

{{Automatic taxobox

| image = Calocybe ionides.jpg

| image_caption = Calocybe ionides

| taxon = Calocybe

| authority = Kühner ex Donk

| type_species = Calocybe gambosa

| type_genus_authority = (Fr.) Donk

}}

Calocybe is a small genus of about 40 species of mushroom,{{cite book |vauthors=Kirk PM, Cannon PF, Minter DW, Stalpers JA |title=Dictionary of the Fungi. |edition=10th |publisher=CABI |location=Wallingford |year=2008|page=111|isbn=978-0-85199-826-8}} including St. George's mushroom, which is edible, and milky mushroom, which is edible and is cultivated in India.{{cite web|url=https://www.youtube.com/watch?v=Ir114BMuSFQ |archive-url=https://ghostarchive.org/varchive/youtube/20211221/Ir114BMuSFQ |archive-date=2021-12-21 |url-status=live|title=Success story of mushroom cultivation|publisher=YouTube|date=February 19, 2010|accessdate=March 2, 2015}}{{cbignore}} There are not many species of this genus in Britain. The name is derived from the Ancient Greek terms kalos "pretty", and cubos "head".{{cite book | vauthors = Nilson S, Persson O | name-list-style = amp | year = 1977 | title = Fungi of Northern Europe 2: Gill-Fungi | publisher = Penguin|isbn=0-14-063006-6|pages=24}} Around nine species are found in neotropical regions.