Adrian Davies / Parrot waxcap fungus (Hygrocybe psittacina) underside showing gills. Surrey, UK, November.

David Kjaer / Parrot waxcap (Hygrocybe psittacina) Wiltshire, UK

Russell Cooper / Parrot waxcap fungi (Hygrocybe psittacinus) growing from dewy grassland. South-west London, UK, November.

Nigel Bean / Parrot waxcap fungi (Hygrocybe psittacina) at various growth stages, Brownsea Island, Dorset, UK, October

Duncan Mcewan / Parrot Wax Cap (Hygrocybe psittacina) Scotland

Duncan Mcewan / Parrot Wax Cap (Hygrocybe psittacina) Scotland

Nigel Bean / Parrot waxcap {Hygrocybe psittacina} in grassland Ashton Court, Bristol, UK

Nigel Bean / Parrot waxcap {Hygrocybe psittacina} in grassland Ashton Court, Bristol, UK

WILLIAM OSBORN / Parrot waxcap fungi growing in grassland {Hygrocybe psittacina} England

Nick Upton / Parrot waxcap (Hygrocybe psittacina) growing on a golf course, Box, Wiltshire, UK, November.

Nick Upton / Parrot waxcap (Hygrocybe psittacina) growing on a golf course, Box, Wiltshire, UK, November.

Nick Upton / Parrot waxcap (Hygrocybe psittacina) growing on a golf course, Box, Wiltshire, UK, November.