Chrysomyxa weirii. [Descriptions of Fungi and Bacteria].
Abstract A description is provided for Chrysomyxa weirii. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Picea engelmannii, P. glauca, P. mariana, P. rubens, P. schrenkiana, P. sitchensis and other Picea spp. DISEASE: Needle rust of spruce caused by localized telia which are restricted to needles, causing limited to severe defoliation (Tripp, Stevenson & Baranyay, 1966). GEOGRAPHICAL DISTRIBUTION: Scattered throughout Canada and the mainly western states of U.S.A., including reports from British Columbia, Alberta, Manitoba, Saskatchewan, Ontario, Quebec, Nova Scotia and New Brunswick, Canada and Idaho, Montana, Oregon, W. Virginia, Tennessee and Washington, U.S.A. Also reported from Kazakhstan S.S.R. by Nevodovskii (1956). TRANSMISSION: Unknown.