First Report of <i>Leptographium abietinum</i> Associated with Blue Stain on Declining Western Siberian Larch in Alaska

Fig. 1. Leptographium abietinum isolated from blue stained wood of western Siberian larch. Conidia were present at the apex of the conidiogenous apparatus.



Image from Plant Health Progress article:
First Report of Leptographium abietinum Associated with Blue Stain on Declining Western Siberian Larch in Alaska