Synonyms: Christensonella acicularis; Christensonella cepula; Christensonella hatschbachii; Christensonella madida; Christensonella paulistana; Christensonella subulata (homotypic); Mapinguari echinochilus; Maxillaria acicularis (homotypic); Maxillaria acicularis var. angustipetala; Maxillaria cepula; Maxillaria cepula var. pallida; Maxillaria echinochila; Maxillaria hatschbachii; Maxillaria madida; Maxillaria madida var. pallida; Maxillaria mosenii var. echinochila; Maxillaria mosenii var. hatschbachii; Maxillaria paulistana