Ramularia agrestis Sacc., (an anamorphic fungus)


3 Apr 2007 at OSGR: TQ17 in Surrey, England

Record SummaryWhite spots with black granules on garden Viola leaves
Found asAnamorph
Date3 April 2007
Associated organismViola sg. Melanium
OS grid refOSGR: TQ17
Lat/Lon51° 30’ N, 0° 20’ W
Vice CountySurrey, VC no: 17
CountryEngland
Voucher3 Apr 2007[A]
(Please quote this in any queries about this record)

Notes:

Pale brown leaf spots up to 8mm diam, often containing a dark-brown granular ring, centres white or dark-brown again.

Tufts of hyaline conidiophores on upper but mainly lower leaf surface, emerging through stomata.

Conidia: cylindric, 0-1(-3) septate, 12-32/5-7.5µm. Conidiophores: 1.5-4µm wide.

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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