|I’d Call It That||3.0||5.42||1||(jason)|
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The raised network of ridges is typical of Lobaria, Pseudocyphellaria and some Sticta. The undersurface tells the three genera apart: Sticta has tiny gaping holes, Pseudocyphellaria has tiny raised dots, Lobaria (e.g. L. linita is very similar to this) has just broad raised bald humps. You can see the raised dots underneath the lobes on the first photo. Since it has apothecia and no soredia/isidia, it is P. anthraspis, otherwise the other common one is P. anomala. Both are not uncommon along the coast in northern Cal (although I’ve never seen one as big as yours!).
Created: 2010-01-15 00:39:46 GMT (+0000)
Last modified: 2010-01-15 00:39:46 GMT (+0000)
Viewed: 39 times, last viewed: 2017-06-06 15:07:47 BST (+0100)