Alternaria alternata
| Alternaria alternata | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Ascomycota | 
| Class: | Dothideomycetes | 
| Order: | Pleosporales | 
| Family: | Pleosporaceae | 
| Genus: | Alternaria | 
| Species: | A. alternata | 
| Binomial name | |
| Alternaria alternata (Fr.) Keissl. (1912) | |
| Synonyms | |
| Alternaria fasciculata (Cooke & Ellis) L.R. Jones & Grout (1897)  | |
Alternaria alternata is a fungus causing leaf spots, rots, and blights on many plant parts, and other diseases. It is an opportunistic pathogen on over 380 host species of plant.
It can also cause upper respiratory tract infections and asthma in humans with compromised immunity.