Alternaria porri (Ellis) Ciferri, 1930
purple blotch
on Allium
parasite
Leaf spots with caespituli. Conidia solitary, brown, 15-20 x 100-300 µm, 8-12 transversal and several longitudinal septa, drand into a long curved beak.
host plants
Amaryllidaceae, monophagous
references
Brandenburger (1985a: 720), Woudenberg, Truter, Groenewald & Crous (2014a).