The “iconic” tree, found at the Yaquina Bay State Recreation Site in Newport, has been declared a hazard, the Oregon Parks ...

Non-forest alpine plant communities exist ... 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 ...

Acid rain’s harms compounded atop New England mountains, where alpine forests were enshrouded in cloud cover and high ...