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Arthrinium sp.

Mitosporic fungus. Hyphomycetes. Teleomorph (sexual state): Apiospora (Ascomycete).
Distribution Where Found Mode of Dissemination
Ubiquitous;
cosmopolitan.
Approx. 20 species.
Soil, decomposing plant material. Wind.
Allergen Potential Opportunist or Pathogen Potential Toxin Production
One species, Arthrinium sphaerospermum, reported as an allergen. Not known. Not known.
Growth Indoors Industrial Uses Other Comments
Arthrinium is cellulolytic, but it is rarely reported. None known. None.
Characteristics: Growth/Culture Notes on Spore Trap Recognition Notes on Tape Lift Recognition
Grows well on general fungal media. White, floccose, spreading. Develops brown to black spore clusters with time. Small, round brown spores. An equatorial germ slit may be seen with skill. Because spores land in "face" view on spore trap slides this slit is not as obvious as when spores are viewed from a culture. Distinctive and identifiable on tape lift samples.
Photographs:
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