mold alternaria alternata, allergic fungus

allergen allergenic allergic allergy alternaria alternata ascomycota asthma conidia conidiophore conidium decaying dematiaceous disease fever fungal fungi fungus hay human hypha hyphae illustration infection keratitis leaf melanin mould mycelia mycelium mycosis mycotic onychomycosis opportunistic osteomyelitis pathogen phaeohyphomycosis pigmented plant pneumonitis respiratory rhinitis saprobe saprophyte sinusitis skin slime soil