Tetraphis geniculata Girg. ex Milde
Annotated by Rick Dewey, 2009.

Washington: Skamania County: Gifford Pinchot National Forest, Mount St. Helens National Volcanic Monument, Pepper Creek, Wildcat Unit 100338; old Pepper Creek #7. From Cougar, WA travel E on FR 90 18.5 mi and cont. straight on FR 25 for another 5.5 mi, turning R onto FR 93. Continue on FR 93 for ~2.3 mi, turning R on FR 9039. Continue on FR 9039 for 2.8 mi to jct with blocked 370 spur. Walk up decommissioned spur rd (heading E near jct) ~1 mile to where Rd crosses seasonal creek. Walk NE up seasonal creek 500 ft to subpop A, voucher is subpop B. "B" is 600 ft SE (ref UTM); "C" is 150 ft NW of "B" (579140; 5104835); "D" is 150 ft SW of B (579144; 5104757). Elev. 1800 ft.
579167E, 5104800N; T7N R7E S40
Datum: NAD 83. Coordinate Source: Specimen label.
35-40 yr old stand with dense PSME in overstory; THSE and CONU4 in understory; ACCI and BENE2 in shrub layer. On gentle slopes with north and NE aspect with shallow swales. Associated species: PSME, CONU4, BENE2, ACCI, POMU, TROV, LIBOL. Aspect: 80°. Slope: 5%. Topography: Slope. Light: Fully shaded. Water: Mesic. Found at 4 locations on cut ends of large class 3-4 logs; 3 sites are clustered in the east portion of the unit; one is on the NW edge of the unit. Approx. 14 sq ft total observed on the 4 logs. Based on the relative abundance here, there is probably more undetected pops in this general area, including on other parts of logs. Sub-pop A: 579018; 5104900; B this voucher is 600' SE, ; C: 579140, 5104835 is 150' NW of B' D: 579144; 5104757 is 150' SW of B. Rotten log (decay class 3).

Richard Brock RB08-40, Jun 26, 2008
WTU, Barcode: WTU-B-033113