Isolated from the healthy leaves of a medicinal plant Xanthium sibiricum collected from Pingjiang, Hunan Province, south-central PR China (28 deg 94 min N, 113 deg 94 min E).
Streptomyces genisteinicus sp. nov., a novel genistein-producing actinomycete isolated from a Chinese medicinal plant and proposal of Streptomyces michiganensis Corbaz et al. 1957 as a later heterotypic synonym of Streptomyces xanthochromogenes Arishima et al. 1956.