Chondrus crispus ( commonly known as ` Irish moss ' or carrageenan moss ) is another red alga used in producing food additives , along with Kappaphycus and gigartinoid seaweeds .
Chondrus crispus ( commonly known as Irish moss or carrageenan moss ) is another red alga used in producing various food additives , along with Kappaphycus and various gigartinoid seaweeds .