magictransistor: Ernst Haeckel. Hexacoralla, Ascomycetes, Lichenes, Phaeodaria, Ophiodea, Spumellari
magictransistor: Ernst Haeckel. Hexacoralla, Ascomycetes, Lichenes, Phaeodaria, Ophiodea, Spumellaria, Basimycetes, Diatomea, Amphoridea. Kunstformen der Natur (Art Forms in Nature). 1899-1904. -- source link