Synonyms: Acianthera punctata (heterotypic); Cryptophoranthus maculatus; Humboldtia acianthera; Humboldtia recurva; Humboltia acianthera; Humboltia recurva (homotypic); Pleurothallis acianthera; Pleurothallis albipetala; Pleurothallis bistuberculata; Pleurothallis curitybensis (heterotypic); Pleurothallis lamproglossa; Pleurothallis leucorhoda; Pleurothallis lilacina; Pleurothallis lilacina var. albipetala; Pleurothallis lilacina var. microphylla; Pleurothallis maculata; Pleurothallis recurva (homotypic); Pleurothallis recurva var. microphylla; Pleurothallis regeliana; Specklinia recurva (homotypic)