[1] Exserohilum was circumscribed by K. Leonard and Edna Suggs in 1974 to contain species formerly placed in Bipolaris with distinctly protruding hila.

The truncate hila or hilum, protrudes from its distinct conidia which are ellipsoidal and distoseptate (forming a layer).

The conidia from which the hilum extends, are either straight, curved, slightly bent or ellipsoidal to fusiform.

[1] Exserohilum has a cosmopolitan distribution, with its species found naturally in warm, tropical, and subtropical locations.

Reports of human infection by Exserohilum mainly come from warm, tropical and subtropical locations such as southern United States, India, and Israel.