Caliciopsis calicioides (Fries) Fitzpatrick, 1920
on Populus
parasite
Small cankers in bark fissures. Small groups of ascocarps in the form of uo to 2 mm long black erect spikes. Asci are formed in a halfway swelling, the sores are released at the tip. Mature spores brown, 4-6 x 6-9 µm.
host plants
Salicaceae, monophagous
Populus tremula.
references
Jordal, Nordén & Gaarder (2014a).