Abstract
Red macroalgae of the Rhodomelaceae family were collected on the Costões Rochosos of the Ilha do Cardoso, coast of the State of São Paulo, where a complex of taxons was observed consisting of Bostrychia radicans f. radicans, B. radicans f. moniliforme and Bostrychia sp. The B. radicans complex was subjected to morphological and experimental studies with the aim of evaluating the vegetativ…