Stemphylium vesicarium (Wallr.) E.G. Simmons, (an ascomycete)


13 Jun 2007 at OSGR: SW62 in West Cornwall, England

Record SummaryStemphylium state on dead lower leaves of Spurrey after keeping in fridge for a week.
Found asAnamorph
Date13 June 2007
Reared, cultured etc(Date may be unnatural as specimen was cultured, reared, grown or otherwise kept in captivity)
Associated organismSpegularia
OS grid refOSGR: SW62
Lat/Lon50° 0’ N, 5° 20’ W
Vice CountyWest Cornwall, VC no: 1
CountryEngland
Voucher13 Jun 2007[K]
(Please quote this in any queries about this record)

Notes:

Stemphylium state.

Conidia: 55-85/13-23µm, brown, verruculose, cylindric or slightly broader below, muriform, usually constricted at 3 major septa; apex rounded, sometimes with small pale or hyaline, oblique protruberance.

Conidiophore: cylindric, pale grey-brown, septate, apex dark banded, swollen, collapsing to form a cup after conidium discharged, often swollen and/or dark banded below.

Upper leaves were infected with Albugo lepigoni, the sporangia of which contaminated the microscope preps.

The following literature was used to identify this find:

macro-photographs
macro-photographs:
photomicrographs
photomicrographs:

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