blue-green alga

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blue-green alga

noun blue-green algae

Any member of the taxonomic class or phylum Cyanobacteria; a primitive photosynthetic organism similar to bacteria which is thought to have generated the first oxygen in the Earth's atmosphere. Blue-green algae cells lack nuclei, and pigment is scattered.
Similar: BGA, cyanobacterium

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noun member of cyanobacteria

Français	algue bleu-vert
Italiano	cianobatterio
Ελληνικά	κυανοφύκη kyanofýki

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MLA

"blue-green alga." Wiktionary, via Micwyn, micwyn.com/word/blue-green%20alga. Accessed 6 Nov. 2026.

APA

blue-green alga. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/blue-green%20alga

Chicago

"blue-green alga." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/blue-green%20alga.

BibTeX

@misc{blue_green_alga_2026,
  title = {blue-green alga},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/blue-green%20alga},
  urldate = {2026-11-06}
}