''Cercospora fuchsiae'' is a

fungal A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

plant

pathogen In biology, a pathogen ( el, πάθος, "suffering", "passion" and , "producer of") in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ ...

Description

* Leaf spots circular to angular, 2–8 mm. in diameter, pale to medium dark brown, the older spots with a pale center or with concentric rings and a dark line margin * fruiting chiefly epiphyllous * stromata a few cells to 30 µm in diameter, dark brown; fascicles 3-20 diverging stalks; conidiophores pale to medium dark brown, paler and sometimes more narrow toward the tip, plainly multiseptate, slightly branched, 0-2 geniculate or undulate, straight to curved, medium spore scar at the subtruncate tip, 4–5.5 x 30-130 µm * conidia hyaline, acicular to obclavate, straight to mildly curved, indistinctly multiseptate, base truncate to long obconically truncate, tip subacute to subobtuse, 2–3.5 x 20-75 µm.

References

fuchsiae Fungal plant pathogens and diseases {{fungus-plant-disease-stub