Day 117: If it hadn't been for that Pygmy Owl stealing the show, this would have been yesterday's post. It too is a "life list sighting," the first instance of Lecanora pacifica (Multicolored Rim Lichen) I have found. In fact, it is the first of any rim lichen I've seen, and I could find no other examples of it on any nearby tree. It is purported to be the most common Lecanora on the west coast, occurring on a variety of smooth-barked deciduous trees. Its host in this case was Alnus rubra (Red Alder) and the tree was a lichen-lover's paradise, six or eight species all occurring within the bounds of approximately six square inches of bark. The largest of these apothecial disks was no wider than 1.5 mm.
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