I haven't been able to find any other fertile Usnea in California. Theoretically, U. quasirigida might be here (medulla K-), but I haven't found it yet, so I'm OK with any fertile Usnea being U. intermedia.
JJ Johnson
2014-09-00
Sun Sep 07 2014 14:01:41 GMT-0700 (PDT)
United States of America, California, Muir Woods National Monument
Near start of fern creek trail, on ground light green color, apothecia with lots of spiny things on margins, passed pull test revealing a center string Is this Usnea intermedia ( Western bushy beard)? My first time seeing this