I'm excited to have seen and identified this Ramalina menziesii, Canopy Fishnet, on many trees along the interpretive walk at West Beach, at Deception Pass State Park in Washington. I certainly didn't figure out the ID from this interpretive sign. Old Man's Beard is Usnea longissima, now also called Dolichousnea longissima. Witch's Hair can be Alectoria sarmentosa or Imshaug's Witch's Hair Lichen (Alectoria imshaugii); neither of those seemed right. Fortunately, I found this thread: A few lichen images, with the link to Lichen Images. @Frog, this might interest you. I had to make a decision which forum to post this in, chose Pac NW natives.