BioImages: The Virtual Field-Guide (UK)

Erysiphe hedwigii (Lév.) U. Braun & S. Takam., 2000 (Wayfaring Tree Mildew)

Date: 25 September 2005
Location: Berks, England
Voucher: 25/09/2005[C]
(Please quote this in any queries about this record)
State: Fruitbody
Record Summary: Cleistothecia on upper and especially lower side of leaves of Wayfaring tree
Associated organism: on upper and especially lower side live leaf of Viburnum lantana
Identification Notes: Cleistothecia on both sides of leaf, but especially below.
Cleistothecial appendages aseptate, up to 1.5 times diameter of ascocarp, dichotomously branched at apex, final branches short and recurved.
Photo Summary: Infection, cleistothecia and appendages

Images etc

naked eye photograph Cleistothecia on leaf upper surface - close-up - highly enlarged 500 by 332 pixels
naked eye photograph Cleistothecia on leaf upper surface - close-up - highly enlarged 500 by 332 pixels
naked eye photograph Cleistothecia on leaf under surface - close-up - highly enlarged 500 by 332 pixels
naked eye photograph Cleistothecia on leaf under surface - close-up - highly enlarged 500 by 332 pixels
naked eye photograph Infected leaf - lower surface 500 by 319 pixels
naked eye photograph Infected leaf - upper surface 500 by 330 pixels
naked eye photograph Infected leaf - upper surface 500 by 369 pixels
naked eye photograph Infected leaf - upper surface 500 by 420 pixels
naked eye photograph Infected leaf - under surface 500 by 368 pixels
naked eye photograph Infected leaf - under surface 500 by 417 pixels
microscope photograph Cleistothecia - squash prep. - magnified 500 by 444 pixels
microscope photograph Cleistothecia - squash prep. - magnified 500 by 367 pixels
microscope photograph Cleistothecia - squash prep. - magnified 500 by 364 pixels
microscope photograph Cleistothecium - squash prep. - magnified 500 by 432 pixels
microscope photograph Cleistothecium - squash prep. - magnified 500 by 488 pixels
microscope photograph Cleistothecium - squash prep. - magnified 500 by 431 pixels
microscope photograph Cleistothecium - squash prep. - magnified 500 by 365 pixels
microscope photograph Cleistothecium appendage tip - magnified 500 by 459 pixels

Creative Commons License
Unless otherwise expressly stated, all original material on the BioImages website by
Malcolm Storey is licensed under a Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales