First report of rust of Sidalcea malviflora (dwarf checkerbloom) caused by Puccinia sherardiana in Washington State

摘要

Puccinia sherardiana is first reported on Sidalcea malviflora in Washington State. The rust occurs on many other taxa in the Malvaceae in numerous geographic locales, and seeds of S. malviflora are widely available for gardeners, but reports of the rust on S. malviflora are rare.