Dark colonies,

dark back of plate:

 Phialophora

 Scedosporium

 Cladosporium

 Others

Consider zygomycete:

Rhizopus

Mucor

Rhizomucor

Absidia

Cunninghamella

Others

No

 Rapid growing, fills plate within 2 days

 Colonies white, beige or light gray

 Back of plate = no pigment

  Hyaline (clear) hyphae

Probable

Dermatophyte:

  Trichophyton

  Microsporum

  Epidermophyton

Yes
No

          No

  Streptomyces

  Actinomadura

  Nocardiopsis

Yes
No
    From skin, nails, hair
Yes
  Very thin, branching filaments
 Broad hyphae, rare septa

 Conidia in sporangia

      Fungus (Mold) Colony on Sabouraud Dextrose

@ Ellen Jo Baron 2007

 Yes

Nocardia

   Actinomycete "Not Mold"
    Partial Acid Fast
    Slower Growing Potential Mold

Green, violet colony

with pale back of plate:

 Aspergillus

 Fusarium

 Others

Dimorphic:
Dimorphic fungi:  These  fungi can exist in 2 forms: a mold or filamentous form at room temperature or as a yeast at body temperature.  Dimorphic fungi include Coccidioides immitis, Histoplasma capsulatum, Blastomyces dermatitidis, Sporothrix schenckii, Penicillium.

 Sporothrix

 Blastomyces

 Histoplasma

 Others