Flammula alnicola

Flammula alnicola, also known as Pholiota alnicola,^[1][2] is a species of mushroom in the family Hymenogastraceae.

The cap of Flammula alnicola is about 3-8 centimeters in diameter. It starts out conical to convex, before becoming flat or umbonate. It is gold or yellow in color, and becomes darker as the mushroom matures.^[1] The stipe is about 4-8 cm long and sometimes has a ring zone.^[3] The gills start out pale yellowish, becoming reddish brown or orangish brown in age.^[4] The spore print is brown.^[3] Flammula alnicola has been reported to smell citrusy or indistinct, depending on the collection.^[2]

Flammula alnicola is a saprophytic fungus, that grows on rotting wood.^[5] It usually grows on alder wood, but it sometimes also grows on other hardwoods. Occasionally, it even grows on conifer wood,^[1] it is found in North America, Asia, and Europe.^[6]