I usually don't do Hypogymnia without chem tests, but yours is a very good example of the absence of the little side lobes/spurs. If they were there, it would be H. enteromorpha, but usually it's something in between.
Donna Pomeroy
2015-02-00
Wed Feb 11 2015 11:52:04 GMT-0800 (PST)
United States of America, California, 5601 Gazos Creek Rd, Pescadero, CA, US