Other numbers: H.T. Tribe 2A. History: < H. T. Tribe. Isolated from: Sclerotia; Great Britain. Additional information: Selected from a densely sporulating region of strain IMI 134523. Pathogenic to Sclerotinia sclerotiorum, S. trifoliorum, S. minor (311,314,339). Cultivation conditions: Medium 11, 25°C.