Longitude (deg): -1.2. Latitude (deg): 51.4. Longitude (deg/min): 1° 20' W. Latitude (deg/min): 51° 30' N. Vice county name: Berks. Vice county no.: 22. Country: England. Stage: In flower. Identified by: Malcolm Storey. Comment: along field margin. Category: macro-photograph. Image scaling: enlarged. Real world width(mm): 17.1873333333333. Photographic equipment used: Specimen directly scanned on HP Scanjet 5470c flatbed scanner. For some photographs of some specimens (eg leaf mines) the transparency adaptor was used..