Shitake mushroom by Kōno Bairei (1844-1895). Digitally enhanced from our own original 1913 edition of Barei Gakan. https://www.rawpixel.com/image/459423/free-illustration-image-mushroom-japanese-woodblock-kono-baireiFree Image from public domain licenseFantasy game background from Glitch game by Tiny Speck (now Slack Technologies). Free public domain CC0 image. https://www.rawpixel.com/image/7415028/image-background-purple-mushroomFree Image from public domain license