Brown spot needle blight in Canada
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Catalog ID: 30366
Northern Forestry Centre
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Cultural characteristics of three species of Boletinus
Catalog ID: 30364
Eastern dwarf mistletoe on jack pine in Manitoba
Catalog ID: 30327
Extensive hail damage in northern Manitoba
Laut, J.G.; Elliott, K.R.
Catalog ID: 30365
The recurrence of Dutch elm disease in Colorado
Laut, J.G.; Oshima, N.; Dickens, L.E.
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