<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">Betula nigra</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31467692</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 21:05:56</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">black birch</dcterms:alternative> <dcterms:alternative xml:lang="en">red birch</dcterms:alternative> <dcterms:alternative xml:lang="en">river birch</dcterms:alternative> <dcterms:alternative xml:lang="en">water birch</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Species of ornamental tree found on riverbanks and swamps in the eastern one-third of the United States, growing 18-30 m (60 to 80 feet) in height. Because the lower trunk becomes very dark with age, the tree is sometimes called black birch. The red-brown, deeply furrowed bark on an old trunk breaks into ragged, closely appressed scales; the upper trunk and branches are smooth, salmon pink to rose cinnamon, with a metallic luster. ]]></dc:description></metadata>