BioImages: The Virtual Field-Guide (UK)

Pyrenula chlorospila (Nyl.) Arnold (a lichen)

Date 17 March 2008
OS grid ref SW83
Lat/Lon 50° 10' N, 4° 60' W
Location Vice County: East Cornwall, VC2, England
Voucher 17/03/2008[G]
(Please quote this in any queries about this record)
Stage or state Teliomorph
Record Summary Growing with P. macrospora, on Sycamore pole, beside path through woodland
Identification Notes: Adjacent colonies of Pyrenula chlorospila and P. macrospora.

Spores: arcuate, 5-septate, with 4 diamond-shaped vacuoles in the central cells, end cells paler and without vacuoles (or maybe these are just thickenings of the end wall?), broad at septa, narrowing at vacuoles. 28-31/10.5-11.5µm.

Examined in 10% KOH but no coloured crystals seen.

Images

standard photographs and close-ups standard photographs and close-ups
Thumbnail
Thumbnail
Thumbnail
Thumbnail
Thumbnail
macro-photographs macro-photographs
Thumbnail
Thumbnail
Thumbnail
Thumbnail
photomicrographs photomicrographs
Thumbnail
Thumbnail

<< Click on a thumbnail to see the preview, then click on that for the large image

Creative Commons Licence
Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales Licence.