Other numbers: ATCC 15347, CBS 100.63, CUB 134, CUB 55, DSM 43113, ETH 31520, IFO 12991, JCM 3099, KCC A-0099, NCIMB 9984, NRRL B-8014, strain A 94. History: < T. Cross, CUB (Micropolyspora faeni) < J. Lacey. Isolated from: Mouldy hay (1082). Additional information: Source of farmer's lung disease antigen (2105). Cultivation conditions: Medium 15, 50°C.