Infected leaves - top surfaces - white background

Опис:

Longitude (deg): -1.4. Latitude (deg): 53.3. Longitude (deg/min): 1° 30' W. Latitude (deg/min): 53° 20' N. Vice county name: Derby. Vice county no.: 57. Country: England. Stage: Infection. Associated species: Polygonum bistorta. Identified by: Malcolm Storey. Comment: marginal lesions on leaves of Bistort. Category: standard photograph or close-up. Background: white background. Photographic equipment used: Canon EOS400D dSLR + Sigma 50mm 1:1 macro lens.