Gliocladium is an asexual fungal genus in the Hypocreaceae. Commonly occurring species include: Gliocladium penicilloides, Gliocladium virens (recently transferred to the genus Trichoderma), and Gliocladium roseum. Gliocladium is a mitosporic, filamentous fungus. Species of Gliocladium rarely produce a sexual state. Most pathogenic, disease-causing fungi in humans is mitosporic like Gliocladium. Gliocladium is filamentous; it grows tubular, elongated, and thread-like. It can be considered a contaminant.