Lappula occidentalis, also known as flatspine stickseed, flatspine sheepburr, western stickseed, Lappula redowskii, or Redowski's stickseed, is a biennial forb native to North America and parts of Europe and Asia. It belongs to the family Boraginaceae. Variants include L. redowskii var. cupulata and L. redowskii var. redowskii, which differ in fruit morphology from the type specimen.

...