BioImages (UK)
BIOTA
(living things)
Eukaryota
(eukaryotes)
MYCETEAE
(fungi, moulds and lichens)
ASCOMYCOTA
(spore-shooters)
ASCOMYCETES
(spore shooters)
DOTHIDEOMYCETIDAE
(a subclass of ascomycetes)
MYCOSPHAERELLACEAE
(a family of ascomycetes and lichens)
Ramularia
(a genus of anamorphic fungi)
Ramularia agrestis
(an anamorphic fungus)
Record
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BioImages: The Virtual Field-Guide (UK)

Ramularia agrestis Sacc., 1882 (an anamorphic fungus)

Date: 3 April 2007
Location: Surrey, England
Voucher: 03/04/2007[A]
(Please quote this in any queries about this record)
State: Imperfect stage
Record Summary: White spots with black granules on garden Viola leaves
Associated organism: on live leaf of Viola sg. Melanium
Identification 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.

Images etc

naked eye photograph Infected leaf - heavy infection - top surface - close-up - dark background 500 by 331 pixels
naked eye photograph Infected leaf - top surface - close-up - dark background 500 by 309 pixels
naked eye photograph Infected leaf - top surface - close-up - dark background 500 by 340 pixels
naked eye photograph Infected leaf - transmitted light - close-up Good 500 by 277 pixels
naked eye photograph Infected leaf - transmitted light - close-up 500 by 331 pixels
naked eye photograph Infected leaf - under surface - close-up - dark background 500 by 269 pixels
naked eye photograph Infected leaf - under surface - close-up - dark background Good 500 by 339 pixels
magnified photograph Lesion - by transmitted light - highly enlarged 500 by 333 pixels
magnified photograph Lesion - by transmitted light - highly enlarged Useful 500 by 333 pixels
magnified photograph Lesion - by transmitted light - highly enlarged 500 by 333 pixels
magnified photograph Lesion - leaf top surface - magnified Good 500 by 396 pixels
magnified photograph Lesion - leaf under surface - close-up - magnified Good 500 by 419 pixels
magnified photograph Lesion - leaf under surface - magnified Good 500 by 423 pixels
magnified photograph Lesion - leaf under surface - magnified Good 500 by 333 pixels
microscope photograph Balck boudary zone - highly magnified Good 500 by 333 pixels
microscope photograph Conidia - highly magnified 500 by 329 pixels
microscope photograph Conidiophore tufts - magnified Good 500 by 333 pixels
microscope photograph Conidiophore tufts - magnified 500 by 333 pixels
microscope photograph Conidiophores and conidia - magnified 500 by 333 pixels
microscope photograph Conidiophores and conidia - magnified Good 500 by 333 pixels
microscope photograph Conidiophores and conidia - magnified 500 by 333 pixels
microscope photograph Conidiophores and conidia - highly magnified 327 by 500 pixels
microscope photograph Conidiophores emerging through stoma - highly magnified 500 by 397 pixels
microscope photograph Leaf lower cuticle with tufts of conidiophores - magnified 500 by 383 pixels

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