Willughbeia ovatifolia Borneo, Sarawak, Kuching., Haviland 2302 (L). Lectotype: Borneo, Sarawak, Kuching., Haviland 2302 (K). Borneo, Sarawak, Kuching., Haviland 2302. Borneo, Sarawak, Kuching., Haviland 2302 (SAR). Isotype: Borneo, Sarawak, Kuching., Haviland 2302 (BM). Borneo, Sarawak, Kuching., Haviland 2302 (SING).
