Most genera in this family are small or medium-sized agarics that have dark spores (black, brown, reddish). Their fruiting bodies are typically soft, thin fleshed and fragile; cap margins are often striate; gills have lighter edges; and many are held up with delicate stipes.
To see enlarged versions of each photo represented in this family, click on the first photo and then click on the textual links above each photo to get to the next one.