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Histoplasma is a genus of dimorphic fungi commonly found in bird and bat fecal material.[1] Histoplasma contains a few species, including—Histoplasma capsulatum—the causative agent of histoplasmosis;[2] and Histoplasma capsulatum var. farciminosum (old term, Histoplasma farciminosum), causing epizootic lymphangitis in horses.[3]

Histoplasma pas-d.jpg
Histoplasma (bright red, small, circular). PAS diastase stain
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Ascomycetes
Order: Onygenales
Family: Ajellomycetaceae
Genus: Histoplasma
Darling (1906)
Type species
Histoplasma capsulatum
Darling (1906)

Histoplasma capsulatum
Histoplasma duboisii


  1. ^ Giannella RA (1996). Salmonella. In: Baron's Medical Microbiology (Baron S et al, eds.) (4th ed.). Univ of Texas Medical Branch. (via NCBI Bookshelf) ISBN 0-9631172-1-1.
  2. ^ Ryan KJ; Ray CG, eds. (2004). Sherris Medical Microbiology (4th ed.). McGraw Hill. ISBN 0-8385-8529-9.
  3. ^ OIE Manual of Diagnostic Tests and Vaccines for Terrestrial Animals 2004 Chapter 2.5.13, "Archived copy". Archived from the original on 2007-08-04. Retrieved 2007-06-14.

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