Pityrogramma calomelanos fern specimen. This silver backed fern was collected from the steep side of a bank on Sao Miguel Island in the Azores.

---

Size: 4463px × 3915px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, background, biological, biology, black, botanical, botany, calomelanos, fauna, flora, frond, herbarium, monilophytes, mounted, nature, pityrogramma, plant, preserved, pressed, pteridophytes, sheet, shot, specimen, studio, vascular