Chain of conidiospores Agar surface Substrate mycelium Aerial hyphae The cross section of an actinomycete colony showing the substrate mycelium and aerial mycelium with chains of conidiospores Various types of spore-bearing structures on the streptomycesChain of conidiospores Agar surface Substrate mycelium Aerial hyphae The cross section of an actinomycete colony showing the substrate mycelium and aerial mycelium with chains of conidiospores Various types of spore-bearing structures on the streptomyces