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Egghead Mottlegill

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A common species of grazed pasture dependent on the nutrient content of animal dung.


Panaeolus semiovatus: the egghead mottlegill

Post date: Saturday, 2 July, 2016 - 21:17

This small, white capped fungus seems appropriately named as the egghead mottlegill (Panaeolus semiovatus) having a cap that is undoubtedly egg-shaped.

A dependency on the dung of herbivores (especially cows and sheep) means it will usually be found on grazed pasture. It is a simple but effective piece of cyclic ecology; the mycelium of the fungus breaks down the dung and then, when the dung is nearly completely gone, the fruiting body appears and spores are released onto the nearby grass. The cows or sheep then come along grazing on the grass and consume the spores which pass through the animals gut to be ejected as fresh dung for the fungus to start feeding on anew. The size of the fruiting body will depend on the nutrient content of the dung. 

It is common and can be seen from spring through until the early winter and it will be seen mainly as a solitary specimen but occasionally you may find a small troop. It is not edible.


The records for this species have been organised into reports, charts, maps and photos. Click a pic below to see the detail:

Sites List Distribution Map Some Charts Some Photographs Original Tweets Relatives Guidance Notes
Common Name Egghead Mottlegill
Scientific Name Panaeolus semiovatus
Interest Level
Species Family Bonnets and Mottlegills
Preferred Environment
Look for
Additional Identification Notes
Similar Species