''Puccinia oxalidis'' is a fungus species in the genus ''

Puccinia ''Puccinia'' is a genus of fungi. All species in this genus are obligate plant pathogens and are known as rusts. The genus contains about 4000 species. The genus name of ''Puccinia'' is in honour of Tommaso Puccini (died 1735), who was an Italia ...

''. This species is a causal agent of

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 plants in the genus ''Oxalis'', such as ''

Oxalis articulata Flowers ''Oxalis articulata'', known as pink-sorrel, pink wood sorrel, windowbox wood-sorrel, Chari amilo (Nepal), sourgrass, Netho (khatta) saag (India) is a perennial plant species in the genus ''Oxalis'' native to temperate South America. It h ...

''. The disease appears as yellow dots on the reverse of the leaves. The

aecial An aecium (plural aecia) is a specialised reproductive structure found in some plant pathogenic rust fungi that produce aeciospores. Aecia may also be referred to as "cluster cups". The term aecidium (plural aecidia) is used interchangeably but i ...

stage can be found on '' Berberis repens''.Aecial Stage of Puccinia oxalidis. W. H. Long and R. M. Harsch, Botanical Gazette, May 1918, volume 65, Number 5, pages 475-478,

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oxalidis Fungal plant pathogens and diseases Fungi described in 1895 {{fungus-plant-disease-stub

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