Burgundy crust alga
Peyssonnelia rubra
(Greville) J. Agardh
Description:
This species form thin, hard, highly calcified encrustations. Growth follows the contours of the substrate and resembles a painted coating. Outer margins may not be tightly attached. Dark red to burgundy in color.
Habitat:
Prefer shaded areas, attached to hard substrates.
Distribution:
Abundant to occasional Florida, Bahamas and Caribbean.