Phyllactinia fraxini (DC.) Fuss, (ash mildew)


11 Oct 2009 at OSGR: SU22 in South Wilts, England

Record Summaryhypophyllous, on Ash leaves
Found asTeliomorph
Date11 October 2009
Associated organismFraxinus excelsior
OS grid refOSGR: SU22
Lat/Lon51° 0’ N, 1° 40’ W
Vice CountySouth Wilts, VC no: 8
CountryEngland
Voucher11 Oct 2009[E]
(Please quote this in any queries about this record)

Notes:

Striking patches of cleistothecia on under-surfaces of leaves, with diffuse dark green patches on leaf surface above.

Surprisingly the cleistothecia were immature; unable to find ripe asci or spores.

The following literature was used to identify this find:

standard photographs and close-ups
standard photographs and close-ups:
macro-photographs
macro-photographs:
photomicrographs
photomicrographs:

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