Mastocarpus

Mastocarpus stellatus (Stackh.) Guiry.
Engl.: Irish moss, batter frond, caragahen, carragaheen, carrageen, carrageenan, carragheen.
Bot. syn.: Chondrus mamillosus Grev., Gigartina mamillosa J. Agardh, Gigartina stellata (Stackh.) Batters, Mastocarpus mamillosus Kuetz., Sphaerococcus mamillosus Agardh.