Lomatium laevigatum explained

Lomatium laevigatum, commonly known as slickrock biscuitroot, is a perennial herb of the Apiaceae family. It grows in basalt cliffs east of the Cascades crest in south-central Washington to Oregon. Its range is limited and considered threatened in Washington State.^{[1] [2]}

Notes and References

1. Web site: Plants of the World Online. Lomatium laevigatum J.M.Coult. & Rose.
2. Web site: Lomatium laevigatum, Burke Herbarium Image Collection . May 18, 2021.