Synonyms: Bletia bicallosa (homotypic); Cyrtopera bicarinata; Cyrtopera candida; Cyrtopera papuana (heterotypic); Cyrtopodium parkinsonii; Epipactis bicarinata (homotypic); Eulophia bicallosa var. major; Eulophia bicarinata; Eulophia bicarinata var. major; Eulophia candida; Eulophia fitzalanii; Eulophia merrillii; Eulophia neopommeranica; Eulophia papuana (heterotypic); Eulophia vanoverberghii; Eulophia venosa var. papuana; Eulophia versteegii; Graphorchis bicarinata; Graphorchis candida; Graphorchis fitzalani; Graphorchis papuana; Graphorkis bicallosa; Graphorkis bicarinata; Graphorkis candida; Graphorkis fitzalanii; Limodorum bicallosum (homotypic); Liparis bicallosa (homotypic)