<i>Glomerella acutata</i> on Highbush Blueberry (<i>Vaccinium corymbosum</i> L.) in Norway

Fig. 2. Glomerella acutata readily (2 to 3 weeks after subculturing) formed perithecia on strawberry leaf agar (SLA). As seen here, perithecia have formed especially densely on the leaf disk, but were also found scattered in the agar (dark spots). Photo by V. Talgø.

Image from Plant Health Progress article:
Glomerella acutata on Highbush Blueberry (Vaccinium corymbosum L.) in Norway