''Puccinia smyrnii'', or alexanders rust, is a

fungus 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 ...

species and

plant pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomyc ...

which causes

rust Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous iron(III) oxides (Fe2O3·nH2O) and iron(III) oxide-hydroxide (FeO(OH ...

on alexanders (''

Smyrnium olusatrum ''Smyrnium olusatrum'', common name alexanders (or alisander) is an edible flowering plant of the family Apiaceae (Umbelliferae), which grows on waste ground and in hedges around the Mediterranean and Atlantic coastal regions of Europe. It was ...

''). It was originally found in Sicily. It is found in Europe and parts of north Africa.

References

External links

Aphotofungi
smyrnii Fungal plant pathogens and diseases Fungi described in 1894 Fungi of Africa Fungi of Europe Fungus species {{fungus-plant-disease-stub