https://www.rawpixel.com/search?page=1&sort=curated&tags=%24karlblossfeldt&topic=%24karlblossfeldt&topic_group=%24publicdomainAdiantum pedatum (American Maiden-hair Fern) young fronds enlarged 8 times from Urformen der Kunst (1928) by Karl Blossfeldt. Original from The Rijksmuseum. Digitally enhanced by rawpixel.Aspidium Filix Mas (Shield Fern Fronds) enlarged 4 times from Urformen der Kunst (1928) by Karl Blossfeldt. Original from The Rijksmuseum. Digitally enhanced by rawpixel.