The red algae, Chondrus crispus—commonly recognized by the name Irish sea moss—prospers along the harsh shores of the northern Atlantic. For a long period, it has held a significant role in ...

Three main species are used in sea moss products: Chondrus crispus (known as Irish moss or carrageenan moss) Eucheuma cottonii (sea moss or seabird's nest) Gracilaria (Irish moss or ogonori).