It is also found in Huáng bǎi, one of the fifty fundamental herbs of traditional Chinese medicine, also known also as Cortex Phellodendri, the bark of one of two species of Phellodendron tree: Phellodendron amurense or Phellodendron chinense.
He described many new plants collected in the Russian Far East, including Alaska, then under Russian rule; examples include Adiantum aleuticum, Lonicera maackii, and Phellodendron amurense.