Mayapple Rust

Allodus podophylli

''Allodus podiphylli,'' mayapple rust is a plant pathogen. This fungal parasite forms tiny bright orange cups on the underside of leaves of mayapple.
Mayapple Rust - Allodus podophylli This fungus disfigures the plant, but doesn't seem to cause any real harm. Habitat: On mayapple (Podophyllum peltatum) leaves Allodus podophylli,Geotagged,Mayapple Rust,Spring,United States

Naming

While the name ''Puccinia podophylli'' is often used, in 2012 the name ''Allodus podophylli'' was resurrected based on DNA evidence.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassPucciniomycetes
OrderPucciniales
FamilyPucciniastraceae
GenusAllodus
SpeciesA. podophylli
Photographed in
United States of America