Mycosphaerella microsora Syd., (an ascomycete)


5 Oct 2007 at OSGR: SU57 in Berks, England

Record SummaryCercospora state on underside of black spots on Lime leaves
Found asAnamorph
Date5 October 2007
Associated organismTilia cordata x platyphyllos
OS grid refOSGR: SU57
Lat/Lon51° 30’ N, 1° 10’ W
Vice CountyBerks, VC no: 22
CountryEngland
Voucher5 Oct 2007[A]
(Please quote this in any queries about this record)

Notes:

Leaf spots: 1.5-3mm diam, round, often confluent, sparse to numerous, covering the whole leaf, or just the part not underneath adjacent leaves.

Upper surface: black with purple sheen; centre with small, diffuse, slightly depressed, brown spot, especially in larger leaf spots.

Lower surface: brown, with black margin that varies from narrow and sharply defined to broad and ill-defined. Occasionally with clusters of conidiophores emerging from stomata in brown area.

Conidia: clavate-cylindric, 1-4 septate, 27-57/4.5. Conidiophores brownish, scars evident.

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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