<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31435378</termId><termName>Cyperus</termName><termType>PT</termType><termNote><![CDATA[ Genus containing around 650 species of annual or perennial plants distributed throughout all continents, often in wetlands. The stems are circular or triangular in cross-section, usually leafless for most of their length with the slender grass-like leaves at the base of the plant. ]]></termNote><termCreatedDate>2026-03-30 20:57:24</termCreatedDate><relation><relationType>UF</relationType><termId>31435379</termId><termName>flatsedge</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31435380</termId><termName>nutgrass</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31409055</termId><termName>Cyperaceae</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31454311</termId><termName>Cyperus papyrus</termName><termType>PT</termType></relation></term>  </Zthes>