Other numbers: CIP 53.151, NCDO 1121, NRRL NRS-1283, H. Katznelson 113, H. Proom CN 3621. History: < H. Proom (Bacillus pulvifaciens) < H. Katznelson. Isolated from: Powdery scale. Additional information: Identifivation (7115). Nomenclature (6866). Cultivation conditions: Medium 91 or 2, 30°C.