Platismatia lacunosa (Ach.) Culb. & C. Culb.

Washington: Snohomish County: Mt. Baker-Snoqualmie National Forest, Skykomish Ranger District, Beckler Thin Unit 27. From Hwy 2 take FR 65 N 10.2 mi to bridge. Go E down creek approx 600' to large cedars that are on N side of creek. Site is on partially burnt tree lying across creek. Site itself is flagged but not out to rd. Elev. 1820 ft.
626840E, 5300394N; T27N R12E S7 NE 1/4 of SE 1/4
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Forest dominated by TSHE, THPL, PSME, ALRU and ABAM. Adjacent to stream on edge of old growth outside the unit. Associated species: ALRU, ABAM, TSHE, THPL, ACCI, ATFI, RULE, POMU, ISMY, PONA, USNEA, ANCU, CHAN9, LACO3, RIBR, LOOR60, LOPU, NEBE60, ALSA, PLGL, PLNO. Aspect: 90°. Slope: 2%. Topography: Valley. Light: Full sun. Water: Moist. This population was found in the fallen trunk of a large ALRU which is 20' out of the unit in a light gap edge directly adjacent to the stream. When the large THPL was cut it took down the tree where the lichen occurs. Alnus rubra litterfall, litter, duff, volcanic rock. Duplicate voucher at MBS Herbarium.

John Villella 081309JV02, Aug 13, 2009
WTU, Barcode: WTU-L-024958