Galled leaf - upperside

Description:

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. Associated species: Alnus glutinosus. Identified by: Malcolm Storey. Comment: on Alder leaves. Category: macro-photograph. Real world width(mm): 46.56666666667. Photographic equipment used: Specimens directly scanned on Black Widow 9630 SP flatbed scanner.