Infected leaf - top surface - in situ

Descrição:

Longitude (deg): -0.1. Latitude (deg): 54.1. Longitude (deg/min): 0° 10' W. Latitude (deg/min): 54° 10' N. Vice county name: South-east Yorks. Vice county no.: 61. Country: England. Stage: Aecia (I). Associated species: Tussilago farfara. Identified by: Malcolm Storey. Comment: "Aecia, on underside of Coltsfoot leaves". Category: standard photograph or close-up. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.