Mitosporic fungus. Hyphomycetes. Teleomorph (sexual state): Leptosphaerulina (Ascomycete).
Approx. 15 species.
Common on dead leaves of more than 50 different plants, especially leaf fodders. Soil, grasses.
Rarely found growing indoors.
Can grow on paper.
Pithomyces chartarum is one of the causes of facial eczema in sheep in New Zealand.
No reports of infections.
Grows readily on general fungal media; sporulation may be slow, and may require a "light/dark cycle." Colonies are shades of tan to brown.
Distinctive multicelled, brown conidia of Pithomyces chartarum are recognizable on spore trap slides. Other species are common but more difficult.
Rarely found on tape lifts.