Rhizocarpon massalongi Malme f. colludens (Nyl.) A. Zahbr.
Annotated by A. W. Herre.

Alaska: Valdez Cordova: Port San Juan, Evans Island.
60.050136° N, 148.066856° W,
Datum: WGS 84. Uncertainty: 197 meters. Coordinate Source: Digital Map.
On granite.

W. J. Eyerdam 636, Jun 25, 1948
WTU, Barcode: WTU-L-021833