''Endoconidium'' is a genus of fungi.
The species ''Endoconidium temulentum'' grows on the grass ''
Lolium temulentum
''Lolium temulentum'', typically known as darnel, poison darnel, darnel ryegrass or cockle, is an annual plant of the genus ''Lolium'' within the family Poaceae. The plant stem can grow up to one meter tall, with inflorescence in the ears and pu ...
'' or darnel grass and is possibly responsible for the grass's toxic effects.
References
Leotiomycetes
{{ascomycota-stub