Original identification: Parmelia saxatilis
Current identification: Parmelia saxatilis
Photographer: Roger T. George
Date Photographed: March 31, 2017
Location: U.S.A., Washington, Clark County: Lacamas Prairie NAP
Elevation: 195 ft.
Coordinates: 45.64583333° N, 122.46138889° W
Uncertainty: 9 ft.
Datum: WGS 84
Coordinate Source: GPS
Comments: On large basaltic andesite boulder in wet prairie remnant
K+Y/slow to O cortex K+R medulla