These three fungi result in ergot, rust and leaf spot respectively and are found both on flower-heads and leaves.
ðiːz θɹˈiː fˈʌŋɡi ɹɪzˈʌlt ɪn ˈɜːɡət, ɹˈʌst ænd lˈiːf spˈɑːt ɹᵻspˈɛktɪvli ænd ɑːɹ fˈaʊnd bˈoʊθ ˌɔn flˈaʊɚhˈɛdz ænd lˈiːvz.