Pinna - underside with sporangia - close-up - enlarged

Description:

Longitude (deg): -2.3. Latitude (deg): 54.1. Longitude (deg/min): 2° 20' W. Latitude (deg/min): 54° 10' N. Vice county name: Mid-west Yorks. Vice county no.: 64. Country: England. Stage: Fertile sporophyte. Identified by: Wiltshire Botanical Society. Comment: in gryke in small area of limestone pavement. Category: macro-photograph. Image scaling: enlarged. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.