BOB GIBBONS / SCIENCE PHOTO LIBRARY BOB GIBBONS / SCIENCE PHOTO LIBRARY
Intermediate polypody (Polypodium interjectum) with spores. Close-up of sporangia (yellow) on the underside of a fertile frond from an intermediate polypody fern. Photographed in the East Lyn River valley, Exmoor National Park, Devon, UK.
Model release not required. Property release not required.