Leaf spot - on under surface of leaf - magnified

Descrission:

Longitude (deg): -1.7. Latitude (deg): 53.1. Longitude (deg/min): 1° 50' W. Latitude (deg/min): 53° 10' N. Vice county name: Derby. Vice county no.: 57. Country: England. Stage: Anamorph. Associated species: Taraxacum. Identified by: Malcolm Storey. Comment: leaf-spots on dandelion leaf. Category: macro-photograph. Image scaling: magnified. Photographic equipment used: Canon EOS400D dSLR and MP-E 65mm x1 to x5 macro lens.