<i>Cladosporium herbarum</i> Causes a Leaf Spot on Marshmarigold in Western North America

Fig. 2. Caltha leptosepala spp. leptosepala collected from Granite Basin, WY, with a lesion along the midrib from which by C. herbarum was isolated.



Image from Plant Health Progress article:
Cladosporium herbarum Causes a Leaf Spot on Marshmarigold in Western North America