Willughbeia sarawacensis (Pierre) K. Schum. in Engl. & Prantl, Nat. Pflanzenfam. Nachtr. 2: 55. 1900
- ≡Ancylocladus sarawhaensis Pierre, Bull. Mens. Soc. Linn. Paris: 96. 1898
- ≡Willughbeia sarawakensis Becc., For. Borneo: 603. 1902
- ≡Willughbeia sarawhaënsis (Pierre) Pichon in Mém. Mus. Natl. Hist. Nat. 24: 153. 1948
- Type: Beccari 3925
- Isotype: Beccari 3925 (FI)
- Lectotype: Beccari 3925 (K)
- Type: Beccari 3925 (P)
- =Willughbeia treacheri Dyer, Kew Gardens Report: 44. 1880
