<i>Geosmithia morbida</i>, Thousand Cankers Disease of Black Walnut Pathogen, Was Found for the First Time in Southwestern Ohio

Fig. 2 (B). 40× magnification of Geosmithia morbida conidiophores and spores.



Image from Plant Health Progress article:
Geosmithia morbida, Thousand Cankers Disease of Black Walnut Pathogen, Was Found for the First Time in Southwestern Ohio