Amazing specimens on the fence I hopped into the Community Garden...
Species b also present in low quantities
Tree 18. Slight presence of a.
ANB present. Possibly a third. Tree 17.
Tree 13. Species a present. Species b not apparent.
Tree number 11, a and b present. I'm healthy looking.
Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. The lower surface is black except for a brown margin; rhizomes...