Abstract
During the course of an investigation to determine the proper identity of a fungus causing a serious needle-blight disease of Juniperus virginiana. examination of numerous herbarium and fresh specimens disclosed 4 distinct, although superficially similar fungi present on Juniperus and related conifers in the U.S. and Canada. The needle blight fungus was found to be Cercospora sequoiae var. iuniperi Ell. and Ev. An amended description of this fungus is given. Descriptions, host ranges, and distributions of G. seguoiae Ell. and Ev.. Stigmina iuniperina (Georg. and Bad.) M. B. Ellis, and Stigmina glomerulosa (Sacc.) Hughes are also given. The taxonomic position of these fungi is discussed.

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