Mentzelia ? pachyrhiza I.M. Johnst.
Annotated by C. Button.

Oregon: Malheur County: Locality: 1/4 mile South of Birch Creek Ranch, East of road. ¶Quad Name: Hole In The Ground 7.5. Elev. 2900 ft.
Merid. WM Twp. 27S Rge. 43E Sec. 18 Subdiv. SESE
Aspect: SW. ¶Soil: rhyolitic ash tuff.¶Habitat Type: SEER4-MENTZ slope. ¶ Abundance & Distribution: common on ash tuff slope. Phenology: Flowers.

C. Button CB-V090, May 24, 1993
VALE, Accession: 3514