Question

ergot of rye is caused by a species of?

Answer 1

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 can cause ergotism in humans and other mammals who consume grains contaminated with its fruiting structure (called ergot sclerotium).
The fungus Claviceps purpurea is responsible for Ergot disease of rye

Answer 2

${\huge{\bold{\fbox{\underline{\mathbf{\red{♡ANSWER♡}}}}}}}$

$\huge\green\longmapsto\:$ Ergot of rye is caused by a species of $\huge\mathscr\purple{claviceps }$