A New Emericellopsis from Wisconsin, with Notes on Other Species

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Abstract
A new antibiotic-producing sp., Emericellopsis microsgora Backus and Orpurt, belonging to the small-spored section of the genus, is described. It occurs in considerable abundance in the soil of wet prairies in Wisconsin. Emericellopsis terricola var. glabra van-Beyma is raised to species rank as E. glabra (van Beyma) Backus and Orpurt, and an Australian isolate which is a strong producer of celphalosporins has been referred to this taxon. Observations on the effect of certain environal factors on growth and development in various species of Emericellopsis are reported.