Abstract
Yellow broom rust of fir caused by Melampsorella caryophyllacearum: first record on Abies fraseri and southernmost record on Abies in eastern North America. Autoecious spruce needle rust caused by Chrysomyxa weirii: first report from Pennsylvania, first record of severe damage to Christmas trees in the eastern United States, and second record on Picea pungens. Seedling blight caused by Discosia pini: first record in eastern United States and first record on Pseudotsuga menziesii. Branch and stem cankers of P. menziesii caused by Dermea pseudotsugae: first report from eastern North America and first report of extensive mortality of Christmas trees. Diaporthe lokoyae associated with chlorosis and dieback of branches of stressed Picea pungens: first record on P. pungens and first record in eastern North America
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