Distribution
Ubiquitous;
cosmopolitan.
Approx. 15 species.
Where Found
Common on dead leaves of more than 50 different plants, especially leaf fodders. Soil, grasses.
Mode of Dissemination
Dry spore.
Wind.
Growth Indoors
Rarely found growing indoors.
Can grow on paper.
Industrial Uses
Not known.
Other Comments
Pithomyces chartarum is one of the causes of facial eczema in sheep in New Zealand.
Allergens
Not studied.
Potential Opportunist or Pathogen
No reports of infections.
Potential Toxin Production
Sporidesmin.
Growth/Culture Characteristics
Grows readily on general fungal media; sporulation may be slow, and may require a "light/dark cycle." Colonies are shades of tan to brown.
Spore Trap Recognition
Distinctive multicelled, brown conidia of Pithomyces chartarum are recognizable on spore trap slides. Other species are common but more difficult.
Tape Lift Recognition
Distinctive.
Rarely found on tape lifts.