Hypoxylon fraxinophilum, detail of ostioles on stromata from bark of Fraxinus excelsior, Buckinghamshire, England. The black deposits on the stroma surface are ejected ascospores.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
