Weekly Puzzler #231: Green Balls in the Treetops
This week I’m going to feature a puzzler that you may be able to identify, but do you know anything about it? You can see it growing in the treetops,
Weekly Puzzler Answer #230
So the answer to last week’s puzzler is Old Man’s Beard Lichen, but like many things in nature, this is the common name and there are many other common names,