Southbank Equestrian, Henfield (poo pile in corner of field). Since this species likes herbivore dung, plus the bits hanging down from the rim is why I think Petticoat Mottlegill - plus photos of the gills in later image.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field). Since this species likes herbivore dung, plus the bits hanging down from the rim is why I think Petticoat Mottlegill - plus photos of the gills in later image.

Southbank Equestrian, Henfield (poo pile in corner of field). Some baby ones beneaeth the orange one which is a different species.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field). Some baby ones beneaeth the orange one which is a different species.

Southbank Equestrian, Henfield (poo pile in corner of field). My little finger showing the size of these is not large.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field). My little finger showing the size of these is not large.

Southbank Equestrian, Henfield (poo pile in corner of field). The gills are mottled and have a white edge.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field). The gills are mottled and have a white edge.

Southbank Equestrian, Henfield (poo pile in corner of field). Close up of the mottled gills.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field). Close up of the mottled gills.

Petticoat Mottlegill (Panaeolus papilionaceus) (Galeropsidaceae) (25/05/2021) Southbank Equestrian, Henfield (poo pile in corner of field).