Populus, cottonwood. Columbus, Montana. February 6, 2005. Original public domain image from Flickr https://www.rawpixel.com/image/3335908/free-photo-image-agaric-cc0-cottonwoodFree Image from public domain licenseLarge orange Fungus South Fork Hoh trail. Original public domain image from Flickr https://www.rawpixel.com/image/4034289/photo-image-ocean-plant-fireFree Image from public domain licenseLichen close up. USDA photo by Prem Kumar. Original public domain image from Flickr https://www.rawpixel.com/image/3260017/free-photo-image-agaric-droplet-fungusFree Image from public domain licenseClose Up Of An Assortment Of Mushrooms https://www.rawpixel.com/image/5965685/close-assortment-mushroomsView licenseAntrodiella zonata is a very common fungus (30mm) found growing in tiers of brackets on rotting native and introduced… https://www.rawpixel.com/image/4022414/photo-image-plant-natureFree Image from public domain licenseIllustrations of pathological anatomy : being a series of chromographed plates painted from nature immediately after death /… https://www.rawpixel.com/image/14000991/image-plant-art-black-backgroundFree Image from public domain licenseShitake 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-mushroomView license