Lomatium suksdorfii
 Lomatium suksdorfii is a perennial herb of the family Apiaceae that grows in Washington and Oregon United States. It is 50–200 cm tall glabrous caulescent and has a taproot. It flowers from late March to May with compound umbels of yellow flowers each umbellule enclosed by thin bracts. The leaves have long petioles and are dissected into long thin blades.