Other numbers: ATCC 28131. History: < J. R. Ellis (Penicillium patulum). Isolated from: Stubble-mulched field; U.S.A. Additional information: Biohazard group 2. Production of alpha-amylase (561); cellulases (563). Production of patulin (303). Cs. Pat. 205 317; Cs. Pat. 205 318. Cultivation conditions: Medium 1 or 2, 25°C.