Other numbers: NRRL B-16991, strain 100-19. History: < D.P. Stahly (Streptoverticillium rubrireticuli) < G. Tirpark. Isolated from: Pink-stained polyvinyl chloride (4091). Additional information: Taxonomy (7728). Prodiginine pigment (4091). Cultivation conditions: Medium 35, 25-30°C.