Ptilimnium

Ptilimnium is a group of plants in the family Apiaceae described as a genus in 1819.^[4][3] The common name is mock bishopweed^[5] or mock bishop's weed. It is endemic to the United States, primarily in the Southeast, the Lower Mississippi Valley, and the Lower Great Plains.^[3][6]

Ptilimnium
Ptilimnium nuttallii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Subfamily:	Apioideae
Tribe:	Oenantheae
Genus:	Ptilimnium Raf.[1]
Type species
Ptilimnium capillaceum (Michx.) Raf.[2][3]
Synonyms[1]
Discopleura DC.

Species

As of December 2022^[update], Plants of the World Online accepted five species:^[1]

• Ptilimnium ahlesii Weakley & G.L.Nesom
• Ptilimnium capillaceum (Michx.) Raf. - SE + SC + NE USA
• Ptilimnium costatum (Elliott) Raf. - SC USA
• Ptilimnium nuttallii (DC.) Britton - SC USA
• Ptilimnium texense J.M. Coult. & Rose - Texas, Louisiana, Florida

Ptilimnium nodosum (Rose) Mathias, native to Georgia and South Carolina, is treated as Harperella nodosa by Plants of the World Online.