Longitude (deg): -1.0. Latitude (deg): 51.4. Longitude (deg/min): 1° 10' W. Latitude (deg/min): 51° 30' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Aecia (I). Associated species: Mercurialis perennis. Identified by: Malcolm Storey. Comment: Aecia and pycnia on Dog's Mercury leaf. Category: standard photograph or close-up. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.