<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">cyanobacteria</topic></authority><related type="broader"><topic>Bacteria</topic></related><variant type="other"><topic>algae, blue-green</topic></variant><variant type="other"><topic>blue-green alga</topic></variant><variant type="other"><topic>blue-green algae</topic></variant><variant type="other"><topic>cyanobacterium</topic></variant> <note xml:lang="en"><![CDATA[ General term for any of a large and varied group of prokaryotic, usually photosynthetic, microorganisms that contain (blue) photocyanin and (green) chlorophyll. They closely resemble eukaryotic algae in many respects, leading to past misidentification as such.   ]]></note></mads>