The upper image illustrates a subculture of a mold colony suspected of being a dimorphic fungus inoculated to the surface of blood agar and incubated for three days at 37°C. Note that the colonies have a prickly appearance, suggesting an intermediate stage of conversion from mold to yeast. The lower image is a lactophenol blue mount of a portion of one of the prickly colonies. What is the probable identification of this fungus?
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