Usnea hesperina Mot.
[= Usnea subgracilis]
Annotated by D. Glavich, 7 Nov 2017.

Oregon: Douglas County: Siuslaw National Forest: Oregon Dunes National Recreation Area. Elev. 4672 ft.
43.78152° N, 124.15892° W; T20S R12W Sec 32
Coordinate Source: USFS plot database.
50% cover of PISI, Gaultheria shallon, Vaccinium ovatum. Cryptogams: Eurynchium oreganum; 25% cover of TSHE, Vaccinium ovatum, Rubus spectabilis. Cryptogams: Rhytidiadelphus loreus; 5% cover of PSME, Alnus rubra, Rhamnus purshianus, Menziesia ferruginea, Vaccinium parvifolium, Viola, Maianthemum dilatatum, Rubus ursinus, Polystichum munitum. Cryptogams: Buckiella undulatum. Abundance code: 1; No papillae. Abundant annular cracks. Spot Tests: K-, P+R.

Jill Grenon s.n., May 24, 2005
OSC, Barcode: OSC-M-300811