$modus 0:
$modus 1:
Pternopetalum davidii
Pternopetalum davidii Franch. [Accepted]
Umbelliferae Apioideae Apieae
2 851396 Pternopetalum davidii Franch.
Nouv. Arch. Mus. Hist. Nat., sér. 2, vol. 8 : t. 8, fig. B (1885)