Infected leaf - under surface - white background

Description :

Longitude (deg): -1.4. Latitude (deg): 51.0. Longitude (deg/min): 1° 30' W. Latitude (deg/min): 51° 0' N. Vice county name: South Hants. Vice county no.: 11. Country: England. Stage: Uredia (II). Associated species: Rhododendron 'Trewithen Orange'. Identified by: Eric Janke. Confirmed by: Malcolm Storey. Comment: "hypophyllous uredia, on dark brown necrotic spots on leaves of Rhododendron cv.". Category: standard photograph or close-up. Background: white background. Photographic equipment used: Canon EOS400D dSLR with Tamron SP AF Di 90mm Macro 1:1 lens.