Infection on leaf under-surface - close-up - highly enlarged

Опис:

Longitude (deg): -2.4. Latitude (deg): 54.1. Longitude (deg/min): 2° 30' W. Latitude (deg/min): 54° 10' N. Vice county name: Mid-west Yorks. Vice county no.: 64. Country: England. Associated species: Galium odoratum. Identified by: Malcolm Storey. Comment: Downy mildew of Sweet Woodruff. Category: macro-photograph. Image scaling: highly enlarged. Photographic equipment used: Canon EOS400D dSLR and MP-E 65mm x1 to x5 macro lens.