iNat·350022SpeciesFungi161 field observationsThe Nature Library · Open stacks
- Fungi Including Lichens
- ›Ascomycete Fungi
- ›Sac Fungi and Lichens
- ›Dothideomycetes
- ›Pleosporomycetidae
- ›Pleosporales
- ›Pleosporaceae
- ›Alternaria

Alternaria alternata
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.
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Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
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In the stacks
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Every page naming Alternaria alternata in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 350022.