[Biscuitroots and Desert Parsleys: The Genus Lomatium East of the Cascade Mountains of Oregon and Washington]

Northern biscuitroot as seen in the scablands near the Odessa Craters, north of Odessa, WA.........April 28, 2007.

Northern biscuitroot as seen in the scablands near the Odessa Craters, north of Odessa, WA.........April 28, 2007.

Close-up of the round root, leaves and inflorescence of northern biscuitroot as seen along Rock Creek at the Escure Ranch (BLM) in eastern Adams County, WA.........May 14, 2011.

Northern biscuitroot in bloom along the Headquarters Trail at the northern junction with the Stubblefield Trail, Turnbull National Wildlife Refuge.......May 8, 2019.