5
algae
4
seaweed
2
common water plant(expression, idiom)
2
kelp
2
moss
2
plankter
2
plankton
2
water plant
1
algaes
1
algal
1
aquatic organism
1
blue-green plant
1
brown algae(expression, idiom)
0
chlorella
0
chlorophyte
0
confervoid algae(expression, idiom)
0
diatom
0
duckweed
0
fish tank organism(expression, idiom)
0
golden algae(expression, idiom)
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APASmart Define. (2015). alga thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/alga/thesaurus/synonyms
ChicagoSmart Define. 2015. "alga thesaurus" https://smartdefine.org/alga/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, alga thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/alga/thesaurus/synonyms>.
MLASmart Define. "alga thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/alga/thesaurus/synonyms>