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,
Weekly Puzzler Answer #23
Last week’s puzzler was two different kinds of LICHENS. In North America alone there are 3,600 different kinds of lichens; worldwide there are more than 20,000 species of lichen! So