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LehighValleyLive.com on MSNPigeon mix grows flowers, invasive worm threatens beech trees | Lehigh Valley Nature WatchDue to our recent dry weather there’s yellow showing on many trees and ... organization about a problem with American beech trees. Beech leaf disease (BLD) is caused by a microscopic, invasive ...
Sugar maple, American beech, and yellow birch are the predominant tree species. Yellow birch occurs most frequently at the lower limits of this community. Lesser amounts of red spruce, white pine, ...
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