Leiden Herbarium. And all of the mentioned specimens were collected in 1898 by Koorders who described the species.
ased on this information, a preliminary survey was conducted in from 21-24 November 2008. The survey took place in two areas: Telaga Bodas-Pangentjongan (Northern slope of Mount Galunggung) with an altitude about 1485 m (S7 11.900 E108 03.284) and Crater area (Southern slope of Mount Galunggung) with an altitude about 1305 m (S7 15.386 E108 04.012). In Telaga Bodas-Pangentjongan area, where the first specimen collected seems that the eruption was not the only major catastrophe, land conversion possibly also become the main factor. It was