Synonyms: Bulbophyllum arnoldianum; Bulbophyllum brixhei; Bulbophyllum fractiflexum (heterotypic); Bulbophyllum kewense; Bulbophyllum kewense var. purpureum; Bulbophyllum lanuriense; Bulbophyllum melanorrhachis; Bulbophyllum millenii; Bulbophyllum minutum (heterotypic); Bulbophyllum minutum var. purpureum; Bulbophyllum rhizophorae; Bulbophyllum simonii; Bulbophyllum solheidii; Bulbophyllum velutinum (homotypic); Megaclinium angustum; Megaclinium arnoldianum; Megaclinium brixhei; Megaclinium lanuriense; Megaclinium lasianthum; Megaclinium melanorrhachis; Megaclinium millenii; Megaclinium minutum; Megaclinium minutum var. purpureum; Megaclinium solheidii; Megaclinium velutinum (homotypic); Phyllorchis rhizophorae; Phyllorkis rhizophorae; Phyllorkis velutina (homotypic)