Pseudoliparis balabacensis (Ames) Margońska & Szlachetko (2000: 281.). Basionym:— Malaxis balabacensis Ames (1911: 42–43.). Type:— PHILIPPINES. Balabac Island: 16 October 1906, Merrill 5374 (lectotype: US 00093431!, lectotype designated in Margońska et al. (2012); isoleototypes: AMES 101099!, BO 0072252!, E!, K!, PNH). Pseudoliparis inexspectata (J.J.Sm) Szlachetko & Margońska (1999: 277.). Basionym: Microstylis inexspectata Smith (1928: 33). Type:— INDONESIA. Sumatra: Garden Sibolangit, on fallen Arenga stem, 500 m, 23 November 1917, Lorzing 5427 (lectotype: U 1470156! well preserved flowers, lectotype designated here; isoleototypes: BO 1322507!, label only, BO spirit coll.! specimens bad quality); sine prec. loc. (by author probably in the vicinity of Sibolangit), 17 February 1916., 650 m, Lorzing 4224 (syntypes: BO 1304086!, no flowers, ISO-BO spir. coll. not found).

Published as part of Margońska, Hanna B., 2020, Notes on the genus Pseudoliparis (Orchidaceae, Malaxidinae), with description of a new species from New Guinea and a new synonymous name, pp. 243-247 in Phytotaxa 435 (3) on page 244, DOI: 10.11646/phytotaxa.435.3.4, http://zenodo.org/record/13874613