Cyanophyta

[ sahy-uh-nof-i-tuh ]

/ ˌsaɪ əˈnɒf ɪ tə /

a phylum, or subkingdom, in the kingdom Monera, comprising the blue-green algae.

Origin of Cyanophyta

< New Latin; < Greek kýano(s) dark blue (see cyano-¹) + phytá, plural of phytón -phyte