closeup of a cluster of chestnut brittlestem mushrooms, common fungi specie from europe

agaric agarics america american autumn background brittlestem brown cap capped caps chestnut closeup cluster clustered clusters colony common edible europe european fall flora food forest fruiting fungi fungus group growing growth mushroom mushrooms mycology nature psathyrella psathyrellaceae season seasonal spadicea specie species spore spores toadstool toadstools woods