Longitude (deg): -1.1. Latitude (deg): 51.5. Longitude (deg/min): 1° 10' W. Latitude (deg/min): 51° 30' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: Plant. Identified by: Malcolm Storey. Comment: at side of river. Category: standard photograph or close-up. Real world width(mm): 0. Photographic equipment used: Nikon D100 dSLR with Tamron SP T90 AF Macro 1:1 lens.