<?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://roble.intecca.uned.es/tematres/lem/">Algas</topic></authority><related type="narrower"><topic>Carofitas</topic></related><related type="narrower"><topic>Diatomeas</topic></related><related type="other"><topic>Plantas acuáticas</topic></related><related type="other"><topic>Talofitas</topic></related><related type="other"><topic>Líquenes</topic></related><related type="other"><topic>Algas fósiles</topic></related><related type="broader"><topic>Criptógamas</topic></related><related type="broader"><topic>Fitoplancton</topic></related><variant type="other"><topic>Hidrófitas</topic></variant> <note xml:lang="es"><![CDATA[ Véase además los nombres de las distintas familias, géneros y especies de algas: Diatomeas ]]></note></mads>