Phyllosticta concava
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| Phyllosticta concava | |
|---|---|
 | |
| Saguaro National Park, Arizona, United States | |
Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Dothideomycetes |
| Order: | Botryosphaeriales |
| Family: | Botryosphaeriaceae |
| Genus: | Phyllosticta |
| Species: | P. concava |
| Binomial name | |
| Phyllosticta concava Seaver (1922) | |
Phyllosticta concava, also known as opuntia dry rot[1] or prickly pear brown spot, is a species of fungus that infects opuntia cactus, leaving discolored circular depressions in the pads.[2][3] The species was first formally described by the mycologist Fred Jay Seaver in 1922.