BioImages: The Virtual Field-Guide (UK)
Pyrenula chlorospila (Nyl.) Arnold (a lichen)
||17 March 2008
|OS grid ref
||50° 10' N, 4° 60' W
||Vice County: East Cornwall, VC2, England
(Please quote this in any queries about this record)
|Stage or state
||Growing with P. macrospora, on Sycamore pole, beside path through woodland
||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.