Filicinae or fern plants: Alsophila species, Polypodium species, Asplenium nidus, Angiopteris species, Monogramma species, and Pteris quadriaurita. Chromolithograph by Adolf Glitsch from an illustration by Ernst Haeckel from Art Forms in Nature, Kunstformen der Natur, Liepzig, Germany, 1904.
Filicinae or fern plants: Alsophila species, Polypodium species, Asplenium nidus, Angiopteris species, Monogramma species, and Pteris quadriaurita. Chromolithograph by Adolf Glitsch from an illustration by Ernst Haeckel from Art Forms in Nature, Kunstformen der Natur, Liepzig, Germany, 1904.