Nick Upton / Rufous milkcap (Lactarius rufus) emerging from woodland leaf litter, Gloucestershire, UK, October.

Nick Upton / Rufous milkcap fungi (Lactarius rufus) emerging from woodland leaf litter, Gloucestershire, UK, October.

Nick Upton / Woolly milkcap (Lactarius torminosus) emerging from woodland leaf litter, Gloucestershire, UK, October.

Philippe Clement / Oak milkcaps (Lactarius quietus), Belgium, October

Adrian Davies / Mild Milkcap Fungus (Lactarius subdulcis) with milk being exuded from damaged gills. Surrey, England, UK, November.

Adrian Davies / Milk cap fungus (Lactarius sp) showing drops of white milky fluid exuded from damaged gills, Surrey, England, November

Juan Manuel Borrero / Basket of edible milkcaps (Lactarius deliciosus) Pyrenees, Barclelona Province, Spain, October

Philippe Clement / Woolly milkcap / Bearded milk cap fungus (Lactarius torminosus) growing on forest floor in autumn, Belgium, October

Guy Edwardes / 2020VISION / Gills of Fleecy Milkcap (Lactarius vellereus). Bolderwood, New Forest National Park, Hampshire, England, UK, November.

Philippe Clement / Fleecy milkcap fungus (Lactarius vellereus) among autumn leaves, Belgium

George McCarthy / Milk cap fungus {Lactarius pyrogalus} amongst leaf litter, UK

George McCarthy / Ugly Milk cap fungus {Lactarius turpis} UK