Other numbers: ATCC 9689, CCUG 4938, DSM 1296, NCIMB 10666, NCTC 11209, McClung 1780, Clark 90556-M6S. History: < CCUG. Isolated from: Diarrhoea; Göteborg, Sweden. Additional information: Taxonomy (7512,7513). Control strain for media testing. Biohazard group 2. Toxine producing strain. Cultivation conditions: Medium 112 or 132, 37°C, anaerobic, 132 (liquid).