Basimycetes–Schwammpilze from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2270304/free-illustration-image-ernst-haeckel-19th-century-seaFree Image from public domain licenseSiphoneae–Riesen Algetten from Kunstformen der Natur (1904) by Ernst Haeckel. Original from Library of Congress.… https://www.rawpixel.com/image/2272304/free-illustration-image-seaweed-mushroom-algaeFree Image from public domain license