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Faculté de foresterie et de géomatique, Université Laval, Québec City, Québec, G1K 7P4
Jean A. Bérubé
Natural Resources Canada, Canadian Forest Service, 1055 du PEPS, P.O. Box 3800, Sainte-Foy, Québec City, Québec, G1V 4C7
The new species Lophodermium macci is described. It is similar in its morphology, habitat, geographic range and ecology to L. pini-excelsae, L. staleyi and L. nitens and often is misidentified as L. pinastri on Pinus strobus in herbaria. A modified technique was used to extract DNA from minute ascomata on herbarium specimens, and new primers were made to amplify the damaged DNA from these specimens. It provides added evidence to separate L. macci from L. pini-excelsae, its closest morphological taxon.
Key words: DNA, herbarium specimens, ITS, Lophodermium, L. pinastri, L. pini-excelsae, Pinus strobus, systematics
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