Pertusaria pustulata (Ach.) Duby
Annotated by Mildred Arnot.

Washington: Snohomish County: Index Town Hall area. Take the Look Out Point Trail.
47.828091° N, 121.55389° W,
Datum: WGS 84. Uncertainty: 2375 meters. Coordinate Source: Digital map.
Habitat: Coniferous Forest. Lower half of trail. Substrate: Big Leaf Maple bark. Substrate: corticolous.

Elroy Burnett L0118, Nov 3, 1994
WTU, Barcode: WTU-L-019209

Pertusaria pustulata (Ach.) Duby
Annotated by Mildred Arnot.

Washington: Snohomish County: Index Town Wall area. Take trail to top of Town Wall.
47.824681° N, 121.563377° W,
Datum: WGS 84. Uncertainty: 1860 meters. Coordinate Source: Digital Map.
Habitat: Coniferous forest/Hardwood. End of trail at top of Town Wall. Substrate: Doug Fir bark. Substrate: corticolous.

Elroy Burnett L0065, May 30, 1994
WTU, Barcode: WTU-L-019211

Pertusaria pustulata (Ach.) Duby

Washington: Snohomish County: Index. Index Town Wall area. Just past Broken Tree Knob along side of tail to top of Town Wall.
47.828206° N, 121.553718° W,
Datum: WGS 84. Uncertainty: 2349 meters. Coordinate Source: Digital Map.
Habitat: Coniferous forest. Substrate: Small branches on Doug Fir.

Elroy Burnett L0037, May 1, 1994
WTU, Barcode: WTU-L-019212

Pertusaria pustulata (Ach.) Duby
Annotated by J. M. Grant.

Washington: Snohomish County: Marysville.
48.05194° N, 122.17583° W,
Datum: WGS 84. Uncertainty: 5382 meters. Coordinate Source: GeoLocate.
Habitat: On prune trees.

J. M. Grant 20, Jan 1928
WTU, Barcode: WTU-L-019210