''Claviceps zizaniae'' is a

plant pathogen Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like orga ...

that causes

ergot Ergot ( ) or ergot fungi refers to a group of fungi of the genus ''Claviceps''. The most prominent member of this group is '' Claviceps purpurea'' ("rye ergot fungus"). This fungus grows on rye and related plants, and produces alkaloids that c ...

in the wild rice species ''Zizania aquatica'' and ''Z. palustris''. Originally described in 1920 as ''Spermoedia zizaniae'' by Faith Fyles, it was transferred to ''

Claviceps Ergot ( ) or ergot fungi refers to a group of fungi of the genus ''Claviceps''. The most prominent member of this group is '' Claviceps purpurea'' ("rye ergot fungus"). This fungus grows on rye and related plants, and produces alkaloids that c ...

'' in 1959 by Maria E. Pantidou. The

new combination In Taxonomy (biology), biological taxonomy, a combinatio nova (abbreviated comb. nov. or n. comb.) refers to the formal renaming of an organism's scientific name when it is transferred to a different genus, reclassified within a different specie ...

, however, was not published validly as Pantidou "failed to provide a full and direct reference to the place of publication". The binomial was published validly by Scott Redhead and colleagues in 2009.

References

Fungi described in 1920 Fungal plant pathogens and diseases Monocot diseases Clavicipitaceae Fungus species {{fungus-plant-disease-stub