Guarçoni, E. A.; Bastian, R. E.; Silva, E. O.; Ferreira, A. W. C.

First Record of the Rare Dyckia Racemosa Baker (Bromeliaceae) in Maranhão State (northeastern Brazil), With an Update on the Species Description, geographic distribution, and Conservation status

. Phytotaxa 2018, 349, 273–280.