- fucusAny alga of the genus Fucus.
- fucivoreAn organism which feeds primarily on seaweed.
- fucivorousFeeding primarily on seaweeds.
- fucoidResembling or relating to seaweeds of the genus Fucus.
- fucoxanthinA carotenoid pigment found in the chloroplasts of brown algae.
- phyco-seaweed or algae.
- phycophaeinA brown pigment found in addition to chlorophyll in the Phaeophyceae.