This is a list of the fungus species in the genus Aecidium.
Many are plant pathogens as rusts.
As of 27 August 2023[update], the GBIF lists up to 947 species,[1] while Species Fungorum lists about 815 species (out of 1251 records).
[2] About 800 species are accepted by Wijayawardene et al.
[3] This list of name, authority and dates is based on the Species Fungorum list.