Porpidia contraponenda (Arnold) Knoph & Hertel

Washington: Snohomish County: Peek-a-boo Lake Trail about 8 miles Southeast of Darrington. Elev. 3350 ft.
T31N R10E S26
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Near gully in old growth conifer forest. On boulder. Spores 15.20 x 8.75 micrometers. Substrate: saxicolous.

M. Arnot L745, Jul 27, 1996
WTU, Barcode: WTU-L-019690

Porpidia contraponenda (Arnold) Knoph & Hertel
Annotated by Mildred Arnot, 31 2003.

Washington: Snohomish County: Mount Baker-Snoqualmie National Forest. Barclay Lake Trail Number 1055. From Highway 2 take Forest Service road 6024 to Barclay Lake trail head. Take trail 1055 to Barclay Lake.`. Elev. 2380 ft.
47° 47.331' N, 121° 26.631' W
Coordinate Source: Specimen label.
Coniferous forest. Along side of trail to Barclay Lake. On a light green rock. Rock not hard. Substrate: saxicolous.

Elroy Burnett L0280, Feb 7, 1995
WTU, Barcode: WTU-L-019691

Porpidia contraponenda (Arnold) Knoph & Hertel

Washington: Snohomish County: Barclay Lake Trail. Four miles from Baring on FR 6024 to trailhead.
47.790692° N, 121.444694° W,
Datum: WGS 84. Uncertainty: 1178 meters. Coordinate Source: Digital Map.
Old growth forest. Along trail. On vertical rock. Substrate: saxicolous.

M. Arnot l236, Feb 26, 1995
WTU, Barcode: WTU-L-019692