Phaeophyscia rubropulchraOrange-cored shadow lichen This foliose lichen grows in small roundish-patc
Phaeophyscia rubropulchraOrange-cored shadow lichen This foliose lichen grows in small roundish-patches or narrow lobes. The upper surface varies in color from gray to brown when dry (darker in shaded areas), becoming bright green when moist. Lobe tips and occasionally surface area covered in coarse soredia. The lower surface is black with thick black rhizines. A distinctive feature of P. rubropulchra is the bright red-orange medullary layer at its core. This is due to the presence of skyrin. What is skyrin? I don’t know what do I look like a chemist? For our purposes, it makes red. P. rubropulchra grows on trees and rocks in eastern North America, eastern China and Russia, and Japan. Apparently it is a common snack for slugs, which doesn’t really surprise me because looking at that medulla makes me think of flamin-hot cheetos and now I’m hungry. Thanks, lichens. images: source | source | sourceinfo: source | source -- source link
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