<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31468622</termId><termName>Acer nigrum</termName><termType>PT</termType><termNote><![CDATA[ Species of maple closely related to sugar maple (A. saccharum), and in some classifications treated as a subspecies; the situation is complicated by the fact that the two species tend to form hybrids. The two species may be distinguished by number of leaf lobes: the black maple has three-lobed leaves and the sugar maple has five-lobed leaves.  ]]></termNote><termCreatedDate>2026-03-30 21:06:10</termCreatedDate><relation><relationType>UF</relationType><termId>31468623</termId><termName>black maple</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31454925</termId><termName>Acer</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31470308</termId><termName>black maple</termName><termType>PT</termType></relation></term>  </Zthes>