Willughbeia flavescens Dyer ex Hook.f. in Fl. Brit. India 3: 625. 1882
- ≡Chilocarpus flavescens Dyer, Kew Gardens Report: 47. 1880
- ≡Ancylocladus flavescens Kuntze in Revis. Gen. Pl. 1: 412. 1891
- ≡Urnularia flavescens (Hook.f.) Stapf in Hooker’s Icon. Pl. 28: t. 2711: 2. 1901
- ≡Willughbeiopsis flavescens (Hook.f.) Rauschert in Taxon 31: 556. 1982
- Isotype: Singapore, near Botanic Gardens., Murton 120 (A).
- Type: Singapore, near Botanic Gardens., Murton 120 (K).
- Type: Singapore, near Botanic Gardens., Murton 120 (K).
- Type: Singapore, near Botanic Gardens., Murton 120.
- =Ancylocladus beccarii Pierre, Bull. Mens. Soc. Linn. Paris: 98. 1898
- ≡Melodinus beccarii Pierre, Bull. Mens. Soc. Linn. Paris: 98. 1898
- ≡Willughbeia beccarii (Pierre) K. Schum. in Engl. & Prantl, Nat. Pflanzenfam. Nachtr. 2: 55. 1900
- ≡Urnularia oblongifolia Stapf in Hooker’s Icon. Pl. 28: t. 2711: 2. 1901
- ≡Willughbeia stapfii Merr. in J. Malayan Branch Roy. Asiat. Soc. 1: 29. 1923
- ≡Urnularia beccarii (Pierre) Markgr. in Blumea 20: 409. 1973
- ≡Willughbeiopsis beccarii (Pierre) Rauschert in Taxon 31: 556. 1982
- Isotype: Beccari 2272 (FI).
- Type: Beccari 2272 (G).
- Lectotype: Beccari 2272 (K).
- Type: Beccari 2272 (M).
- Type: Beccari 2272 (P).
- Type: Beccari 2272.
- =Melodinus cymosus Ridl. in J. Fed. Malay States Mus. 10: 146. 1920
- Lectotype: Peninsular Malaysia, Malacca, Selandar Forest., Burkill 789 (K).
- Isotype: Peninsular Malaysia, Malacca, Selandar Forest., Burkill 789 (SING).
- Type: Peninsular Malaysia, Malacca, Selandar Forest., Burkill 789.
