Lomatium papilioniferum J.A. Alexander & W. Whaley
Annotated by D. Mansfield, Jun 2018. Sources: JBRIT 2018 12(2).

Washington: Klickitat County: Vic. Klickitat, Klickitat-Appleton Rd., about 2.5 M WSW (bearing 243 degrees) from Klickitat. Elev. 381
45.800499° N, -121.199463° E
Datum: WGS 84. Uncertainty: 6 meters. Error radius calculated from georeference precision
Sunny, steeply sloping south-facing hillsides with matrix of differently sized talus and clay soil, supporting a mixed community dominated by Lomatium columbianum, L. grayi, and L macrocarpum forma flavum. Growing amid medium sized rocks and talus and on clay soils on steep, exposed valley wall above river. Dominant perennial herbs. Plants robust, very large for this species, up to 80 cm or higher. Flowers bright yellow. Lomatium DNA Voucher - Emma George 2011. Phenology: Flowers.

C. E. Hinchliff 1264, Apr 5, 2011
CIC, Accession: 41354