mucor mould,

artwork biological biology black fungus bread mould covid19 covid19associated mucormycosis filamentous fungal fungi hand drawing drawn hyphae illustration medical medicine microbiological microbiology mucorales mycology noone nobody pathogen pathogenic rhinoorbitalcerebral roc sarscov2 sporangium zygomycete zygomycosis vintage mucor mold old paper texture retro style pencil pen