Myoxanthus speciosus (Luer) Luer

POWO follows these authorities in synonymising this name:

• Rojas-Alvarado, G., Blanco, M.A. & Karremans, A.P. (2021). A taxonomic synopsis and morphological characterization of Myoxanthus (Orchidaceae: Pleurothallidinae). Phytotaxa 507: 211-258. [Cited as Myoxanthus exasperatus.]
• Rojas-Alvarado, K. & Karremans, A.P. (2020). Revision of the Costa Rican species of Myoxanthus (Pleurothallidinae: Orchidaceae). Phytotaxa 448: 1-70. [Cited as Myoxanthus exasperatus.]

This name was accepted following an alternative taxonomy by these authorities:

• Bogarín, D., Karremans, A. & Pupulin, F. (2008). New species and records of Orchidaceae from Costa Rica. Lankesteriana 8: 53-74. [Cited as Myoxanthus speciosus.]
• Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Myoxanthus speciosus.]
• Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 3: 1-884. Missouri Botanical Garden Press, St. Louis. [Cited as Myoxanthus speciosus.]
• Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. [Cited as Myoxanthus speciosus.]
• Viveros, P. & Higgins, W.E. (2007). Checklist of Pleurothallidinae from Colombia. Selbyana 28: 13-90. [Cited as Myoxanthus speciosus.]

Catálogo de Plantas y Líquenes de Colombia

• Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co