C.M.Taylor (Steyerm.) 2001 - Taylor CM (2001) Overview of the Neotropical Genus Notopleura (Rubiaceae: Psychotrieae), with the Description of Some New Species. Annals of the Missouri Botanical Garden 88(3): 478. doi: 10.2307/3298587.
There is no corrections for Notopleura patria var. tovarensis yet.