Abstract
This study aims to contribute to the knowledge of Mayacaceae family species occurring in the state of Rio de Janeiro. The work is based on the morphological analysis of materials deposited in herbarium collections and field, as well as on a review of the relevant literature. Two species were recorded: Mayaca fluviatilis and M. sellowiana. Identification key, description, habitat data, and geographic distribution are also provided.
Key words:
moss-of-flower; aquatic plant; Brazil's Southeast; taxonomy
