Forest Service lichenologist Sarah Jovan hardly has to walk half a block from her office in downtown Portland to find the type of shaggy, green moss she used to discover the city's hidden hot spots of ...

PORTLAND, Ore. — Bullseye Glass and Precision Castparts both had to put out millions of settlement dollars after they were involved in class action lawsuits regarding their air pollution levels. Those ...

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are ...

DEAR JESSICA: I have a pear tree that's about 55 years old and have noticed what looks like grass or moss on its limbs. Due to a neighbor's very tall house, this tree does not get much sun, especially ...

We just moved to Jacksonville from up north and I want to know if Spanish moss is harming my oak trees. There is also some kind of gray-green moss growing on the trunks. Let’s talk about Spanish moss ...

Q: I think few people are aware of ball moss and that only a fraction of them do anything about it. On the internet, you will find that the experts maintain that ball moss is not a parasite, it will ...

You may have seen the billboards around town asking that you "Bag the Ball Moss!" and wondered: What the heck is ball moss? Quite simply, it's moss that grows in a roundish, ball shape. The problem: ...