<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31409078</termId><termName>Hydrocharitaceae</termName><termType>PT</termType><termNote><![CDATA[ Family containing 18 genera of submerged and emergent, freshwater and saltwater aquatic herbs, mainly of warmer regions. ]]></termNote><termCreatedDate>2026-03-30 20:49:59</termCreatedDate><relation><relationType>UF</relationType><termId>31409079</termId><termName>tapegrass family</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31370268</termId><termName>Alismatales</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31435426</termId><termName>Vallisneria</termName><termType>PT</termType></relation></term>  </Zthes>