Cladosporium

noun

Clad·​o·​spo·​ri·​um ˌklad-ə-ˈspōr-ē-əm, -ˈspȯr- 

: a genus of imperfect fungi having conidia borne on branched conidiophores and the conidia with usually one or in age two or three septa and including some economically important species see black spot