Palmaria is a genus of algae. One of its most notable members is dulse, Palmaria palmata.
References
^Stackhouse, J. (1802 '1801'). Nereis britannica; continens species omnes fucorum in insulis britannicis crescentium3. printed by S. Hazard, Bathoniae [Bath] for J. White, Londini [London] (not seen)