 This iconic toadstool is a large white @-@ <unk> , white @-@ spotted , usually red mushroom , and is one of the most recognisable and widely encountered in popular culture . Several subspecies with differing cap colour have been recognised , including the brown regalis ( often considered a separate species ) , the yellow @-@ orange flavivolvata , <unk> , <unk> , and the pinkish <unk> . Genetic studies published in 2006 and 2008 show several sharply delineated clades that may represent separate species . 
