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</div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><i>Populus tremuloides</i></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 36 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-36" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">36 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AD%D9%88%D8%B1_%D8%B1%D8%A7%D8%AC%D9%81%D9%8A%D8%A7%D9%86%D9%8A" title="حور راجفياني – Arabic" lang="ar" hreflang="ar" data-title="حور راجفياني" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Asturian" lang="ast" hreflang="ast" data-title="Populus tremuloides" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-atj mw-list-item"><a href="https://atj.wikipedia.org/wiki/Asati_orakeskw" title="Asati orakeskw – Atikamekw" lang="atj" hreflang="atj" data-title="Asati orakeskw" data-language-autonym="Atikamekw" data-language-local-name="Atikamekw" class="interlanguage-link-target"><span>Atikamekw</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Azerbaijani" lang="az" hreflang="az" data-title="Populus tremuloides" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Catalan" lang="ca" hreflang="ca" data-title="Populus tremuloides" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Cebuano" lang="ceb" hreflang="ceb" data-title="Populus tremuloides" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Topol_osikovit%C3%BD" title="Topol osikovitý – Czech" lang="cs" hreflang="cs" data-title="Topol osikovitý" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Amerikansk_asp" title="Amerikansk asp – Danish" lang="da" hreflang="da" data-title="Amerikansk asp" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Amerikanische_Zitterpappel" title="Amerikanische Zitterpappel – German" lang="de" hreflang="de" data-title="Amerikanische Zitterpappel" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-nv mw-list-item"><a href="https://nv.wikipedia.org/wiki/T%CA%BCiisb%C3%A1%C3%AD" title="Tʼiisbáí – Navajo" lang="nv" hreflang="nv" data-title="Tʼiisbáí" data-language-autonym="Diné bizaad" data-language-local-name="Navajo" class="interlanguage-link-target"><span>Diné bizaad</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ameerika_haab" title="Ameerika haab – Estonian" lang="et" hreflang="et" data-title="Ameerika haab" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Spanish" lang="es" hreflang="es" data-title="Populus tremuloides" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/%C5%9Cajntremola_poplo" title="Ŝajntremola poplo – Esperanto" lang="eo" hreflang="eo" data-title="Ŝajntremola poplo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D9%BE%DB%8C%D8%AF%D8%A7%D8%B1_%D8%A2%D9%85%D8%B1%DB%8C%DA%A9%D8%A7%DB%8C%DB%8C" title="سپیدار آمریکایی – Persian" lang="fa" hreflang="fa" data-title="سپیدار آمریکایی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Peuplier_faux-tremble" title="Peuplier faux-tremble – French" lang="fr" hreflang="fr" data-title="Peuplier faux-tremble" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Hawar_gemetar_amerika" title="Hawar gemetar amerika – Indonesian" lang="id" hreflang="id" data-title="Hawar gemetar amerika" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/N%C3%B6tur%C3%B6sp" title="Nöturösp – Icelandic" lang="is" hreflang="is" data-title="Nöturösp" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Italian" lang="it" hreflang="it" data-title="Populus tremuloides" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A6%D7%A4%D7%A6%D7%A4%D7%94_%D7%A8%D7%A2%D7%93%D7%A0%D7%99%D7%AA" title="צפצפה רעדנית – Hebrew" lang="he" hreflang="he" data-title="צפצפה רעדנית" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Amerikas_apse" title="Amerikas apse – Latvian" lang="lv" hreflang="lv" data-title="Amerikas apse" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Amerikai_rezg%C5%91_ny%C3%A1r" title="Amerikai rezgő nyár – Hungarian" lang="hu" hreflang="hu" data-title="Amerikai rezgő nyár" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AD%D9%88%D8%B1_%D8%B1%D8%A7%D8%AC%D9%81%D9%8A%D8%A7%D9%86%D9%89" title="حور راجفيانى – Egyptian Arabic" lang="arz" hreflang="arz" data-title="حور راجفيانى" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Amerikaanse_ratelpopulier" title="Amerikaanse ratelpopulier – Dutch" lang="nl" hreflang="nl" data-title="Amerikaanse ratelpopulier" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Amerikaosp" title="Amerikaosp – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Amerikaosp" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Topola_osikowa" title="Topola osikowa – Polish" lang="pl" hreflang="pl" data-title="Topola osikowa" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Portuguese" lang="pt" hreflang="pt" data-title="Populus tremuloides" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BF%D0%BE%D0%BB%D1%8C_%D0%BE%D1%81%D0%B8%D0%BD%D0%BE%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%BD%D1%8B%D0%B9" title="Тополь осинообразный – Russian" lang="ru" hreflang="ru" data-title="Тополь осинообразный" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Quaking_aspen" title="Quaking aspen – Simple English" lang="en-simple" hreflang="en-simple" data-title="Quaking aspen" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Amerikanhaapa" title="Amerikanhaapa – Finnish" lang="fi" hreflang="fi" data-title="Amerikanhaapa" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Amerikansk_asp" title="Amerikansk asp – Swedish" lang="sv" hreflang="sv" data-title="Amerikansk asp" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%9F%E0%AF%81%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AF%81%E0%AE%AE%E0%AF%8D_%E0%AE%AE%E0%AE%B0%E0%AE%AE%E0%AF%8D" title="நடுங்கும் மரம் – Tamil" lang="ta" hreflang="ta" data-title="நடுங்கும் மரம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-chy mw-list-item"><a href="https://chy.wikipedia.org/wiki/V%C3%A9%27%C5%A1kee%27e" title="Vé'škee'e – Cheyenne" lang="chy" hreflang="chy" data-title="Vé'škee'e" data-language-autonym="Tsetsêhestâhese" data-language-local-name="Cheyenne" class="interlanguage-link-target"><span>Tsetsêhestâhese</span></a></li><li class="interlanguage-link interwiki-udm mw-list-item"><a href="https://udm.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Udmurt" lang="udm" hreflang="udm" data-title="Populus tremuloides" data-language-autonym="Удмурт" data-language-local-name="Udmurt" class="interlanguage-link-target"><span>Удмурт</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Ukrainian" lang="uk" hreflang="uk" data-title="Populus tremuloides" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Vietnamese" lang="vi" hreflang="vi" data-title="Populus tremuloides" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Populus_tremuloides" title="Populus tremuloides – Waray" lang="war" hreflang="war" data-title="Populus tremuloides" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q469576#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet 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dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Species of deciduous tree native to cooler areas of North America</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Not to be confused with European aspen, <i><a href="/wiki/Populus_tremula" title="Populus tremula">Populus tremula</a></i>, which is also known as the quaking aspen.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">For other trees called "white poplar", see <a href="/wiki/White_poplar" title="White poplar">White poplar</a>.</div> <p class="mw-empty-elt"> </p> <table class="infobox biota" style="text-align: left; width: 200px; font-size: 100%"> <tbody><tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(180,250,180)">Quaking aspen </th></tr> <tr> <td colspan="2" style="text-align: center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon,_Nevada.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg/220px-2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg/330px-2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg/440px-2013-10-06_15_04_21_Aspens_during_autumn_along_the_Changing_Canyon_Nature_Trail_in_Lamoille_Canyon%2C_Nevada.jpg 2x" data-file-width="3264" data-file-height="2448" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align: center; font-size: 88%">Quaking aspen grove in <a href="/wiki/Lamoille_Canyon" title="Lamoille Canyon">Lamoille Canyon</a>, <a href="/wiki/Nevada" title="Nevada">Nevada</a>, U.S. </td></tr> <tr style="color:inherit; text-align: center; background-color: rgb(180,250,180)"> <th colspan="2"><div style="text-align: center"><a href="/wiki/Conservation_status" title="Conservation status">Conservation status</a></div> </th></tr> <tr> <td colspan="2"><div style="text-align: center"><span class="mw-default-size skin-invert-image" typeof="mw:File/Frameless"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Status_iucn3.1_LC.svg/220px-Status_iucn3.1_LC.svg.png" decoding="async" width="220" height="59" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Status_iucn3.1_LC.svg/330px-Status_iucn3.1_LC.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Status_iucn3.1_LC.svg/440px-Status_iucn3.1_LC.svg.png 2x" data-file-width="512" data-file-height="137" /></span></span><br /><a href="/wiki/Least_Concern" class="mw-redirect" title="Least Concern">Least Concern</a> <small> (<a href="/wiki/IUCN_Red_List" title="IUCN Red List">IUCN 3.1</a>)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></small></div> </td></tr> <tr> <th colspan="2" style="color:inherit; min-width:15em; text-align: center; background-color: rgb(180,250,180)"><a href="/wiki/Taxonomy_(biology)" title="Taxonomy (biology)">Scientific classification</a> <span class="plainlinks taxobox-edit-taxonomy skin-invert" style="font-size:smaller; float:right; padding-right:0.4em; margin-left:-3em;"><span typeof="mw:File"><a href="/wiki/Template:Taxonomy/Populus_sect._Populus" title="Edit this classification"><img alt="Edit this classification" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/15px-OOjs_UI_icon_edit-ltr.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/23px-OOjs_UI_icon_edit-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr.svg/30px-OOjs_UI_icon_edit-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span> </th></tr> <tr> <td>Kingdom: </td> <td><a href="/wiki/Plant" title="Plant">Plantae</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Vascular_plant" title="Vascular plant">Tracheophytes</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Flowering_plant" title="Flowering plant">Angiosperms</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Eudicots" title="Eudicots">Eudicots</a> </td></tr> <tr> <td><i>Clade</i>: </td> <td><a href="/wiki/Rosids" title="Rosids">Rosids</a> </td></tr> <tr> <td>Order: </td> <td><a href="/wiki/Malpighiales" title="Malpighiales">Malpighiales</a> </td></tr> <tr> <td>Family: </td> <td><a href="/wiki/Salicaceae" title="Salicaceae">Salicaceae</a> </td></tr> <tr> <td>Genus: </td> <td><a href="/wiki/Populus" title="Populus"><i>Populus</i></a> </td></tr> <tr> <td>Section: </td> <td><a href="/wiki/Populus_sect._Populus" title="Populus sect. Populus"><i>Populus</i> sect. <i>Populus</i></a> </td></tr> <tr> <td>Species: </td> <td><div style="display:inline" class="species"><i><b>P. tremuloides</b></i></div> </td></tr> <tr> <th colspan="2" style="color:inherit; text-align: center; background-color: rgb(180,250,180)"><a href="/wiki/Binomial_nomenclature" title="Binomial nomenclature">Binomial name</a> </th></tr> <tr> <td colspan="2" style="text-align: center"><b><span class="binomial"><span style="font-weight:normal;"></span><i>Populus tremuloides</i></span></b><br /><div style="font-size: 85%;"><a href="/wiki/Andr%C3%A9_Michaux" title="André Michaux">Michx.</a></div> </td></tr> <tr> <td colspan="2" style="text-align: center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Populus_tremuloides_range_map_2.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Populus_tremuloides_range_map_2.png/220px-Populus_tremuloides_range_map_2.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Populus_tremuloides_range_map_2.png/330px-Populus_tremuloides_range_map_2.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/Populus_tremuloides_range_map_2.png/440px-Populus_tremuloides_range_map_2.png 2x" data-file-width="2200" data-file-height="2200" /></a></span> </td></tr> </tbody></table><style data-mw-deduplicate="TemplateStyles:r1238732961">@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .infobox.biota img{background:transparent}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox.biota tr{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .infobox.biota img{background:white}}.mw-parser-output .infobox.biota .taxobox-edit-taxonomy img{background:transparent!important}body.skin-vector .mw-parser-output table.biota.infobox{margin-top:0.5em}body.skin--responsive .mw-parser-output table.biota.infobox tr.taxonrow td{padding:2px 10px}</style> <p><i><b>Populus tremuloides</b></i> is a <a href="/wiki/Deciduous" title="Deciduous">deciduous</a> tree native to cooler areas of <a href="/wiki/North_America" title="North America">North America</a>, one of several species referred to by the common name <a href="/wiki/Aspen" title="Aspen">aspen</a>. It is commonly called <b>quaking aspen</b>,<sup id="cite_ref-NPS_2-0" class="reference"><a href="#cite_note-NPS-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GRIN_3-0" class="reference"><a href="#cite_note-GRIN-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Silvics_4-0" class="reference"><a href="#cite_note-Silvics-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <b>trembling aspen</b>,<sup id="cite_ref-NPS_2-1" class="reference"><a href="#cite_note-NPS-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GRIN_3-1" class="reference"><a href="#cite_note-GRIN-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <b>American aspen</b>,<sup id="cite_ref-GRIN_3-2" class="reference"><a href="#cite_note-GRIN-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> <b>mountain</b> or <b>golden aspen</b>,<sup id="cite_ref-wood_5-0" class="reference"><a href="#cite_note-wood-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <b>trembling poplar</b>,<sup id="cite_ref-wood_5-1" class="reference"><a href="#cite_note-wood-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <b>white poplar</b>,<sup id="cite_ref-wood_5-2" class="reference"><a href="#cite_note-wood-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and <b>popple</b>,<sup id="cite_ref-wood_5-3" class="reference"><a href="#cite_note-wood-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> as well as others.<sup id="cite_ref-wood_5-4" class="reference"><a href="#cite_note-wood-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The trees have tall trunks, up to 25 metres (82 feet) tall, with smooth pale bark, scarred with black. The glossy green leaves, dull beneath, become golden to yellow, rarely red, in autumn. The species often propagates through its roots to form large clonal groves originating from a shared root system. These roots are not <a href="/wiki/Rhizome" title="Rhizome">rhizomes</a>, as new growth develops from <a href="/wiki/Adventitious_bud" class="mw-redirect" title="Adventitious bud">adventitious buds</a> on the parent root system (the <a href="/wiki/Ortet" class="mw-redirect" title="Ortet">ortet</a>). </p><p><i>Populus tremuloides</i> is the most widely distributed tree in North America, being found from Canada to central Mexico.<sup id="cite_ref-Silvics_4-1" class="reference"><a href="#cite_note-Silvics-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> It is the defining species of the <a href="/wiki/Aspen_parkland" title="Aspen parkland">aspen parkland</a> <a href="/wiki/Biome" title="Biome">biome</a> in the <a href="/wiki/Prairie_Provinces" class="mw-redirect" title="Prairie Provinces">Prairie Provinces</a> of Canada and extreme northwest <a href="/wiki/Minnesota" title="Minnesota">Minnesota</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=1" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_(Interstate_80_Business)_in_Elko,_Nevada.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG/170px-2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG" decoding="async" width="170" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG/255px-2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG/340px-2015-03-16_12_22_15_Aspen_catkins_on_Idaho_Street_%28Interstate_80_Business%29_in_Elko%2C_Nevada.JPG 2x" data-file-width="2448" data-file-height="3264" /></a><figcaption>Aspen <a href="/wiki/Catkin" title="Catkin">catkins</a> in spring</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Trembling_aspen_(275499901).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Trembling_aspen_%28275499901%29.jpg/220px-Trembling_aspen_%28275499901%29.jpg" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Trembling_aspen_%28275499901%29.jpg/330px-Trembling_aspen_%28275499901%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Trembling_aspen_%28275499901%29.jpg/440px-Trembling_aspen_%28275499901%29.jpg 2x" data-file-width="1200" data-file-height="1600" /></a><figcaption>Trembling aspen bark</figcaption></figure> <p>The quaking aspen is a tall, fast-growing tree, usually 15–18 meters (50–60 ft) at maturity, with a trunk 25 centimeters (10 in) in diameter;<sup id="cite_ref-:02_7-0" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> records are 36.5 m (119 ft 9 in) in height and 1.37 m (4 ft 6 in) in diameter. The <a href="/wiki/Bark_(botany)" title="Bark (botany)">bark</a> is relatively smooth, whitish (light green when young),<sup id="cite_ref-:02_7-1" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> and is marked by thick black horizontal scars and prominent black knots. Parallel vertical scars are tell-tale signs of elk, which strip off aspen bark with their front teeth. </p><p>The <a href="/wiki/Leaves" class="mw-redirect" title="Leaves">leaves</a> on mature trees are nearly round, <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style>4–6 cm (<span class="frac">1<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">2</span></span>–<span class="frac">2<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">4</span></span> in) in diameter<sup id="cite_ref-:02_7-2" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> with small rounded teeth, and a <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027">3–7 cm (<span class="frac">1<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">4</span></span>–<span class="frac">2<span class="sr-only">+</span><span class="num">3</span>⁄<span class="den">4</span></span> in) long flattened<sup id="cite_ref-:02_7-3" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Petiole_(botany)" title="Petiole (botany)">petiole</a>. The leaves are green above and gray below.<sup id="cite_ref-:02_7-4" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Young trees and root sprouts have much larger (10–20 cm, 4–8 in long), nearly triangular leaves. (Some species of <i>Populus</i> have petioles flattened partially along their length, while the aspens and some other poplars have them flattened from side to side along the entire length of the petiole.) </p><p>Aspens are <a href="/wiki/Dioecious" class="mw-redirect" title="Dioecious">dioecious</a>, with separate male and female clones. The flowers are catkins <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027">4–6 cm (<span class="frac">1<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">2</span></span>–<span class="frac">2<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">4</span></span> in) long, produced in early spring before the leaves. The fruit is a 10 cm-long (4 in) pendulous string of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027">6-millimeter (<span class="frac"><span class="num">1</span>⁄<span class="den">4</span></span> in) capsules, each capsule containing about ten minute seeds embedded in cottony fluff, which aids wind dispersal of the seeds when they are mature in early summer. Trees as young as 2–3 years old may begin seed production, but significant output starts at 10 years of age. Best seed production is obtained between the ages of 50 and 70 years.<sup id="cite_ref-NPS_2-2" class="reference"><a href="#cite_note-NPS-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Quaking aspen grows more slowly in the dry conditions of western North America than it does in the more humid east and also lives longer—ages of 80–100 years are typical,<sup id="cite_ref-:02_7-5" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> with some individuals living 200 years; the root system can live much longer.<sup id="cite_ref-:02_7-6" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> In the east, stands decay faster, sometimes in 60 years or less depending on the region. </p> <div class="mw-heading mw-heading2"><h2 id="Name">Name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=2" title="Edit section: Name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The quaking or trembling of the leaves that is referred to in the common names is due to the flexible flattened <a href="/wiki/Petiole_(botany)" title="Petiole (botany)">petioles</a>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The specific epithet, <i>tremuloides</i>, evokes this trembling behavior and can be literally translated as "like <a href="/wiki/Populus_tremula" title="Populus tremula"><i>(Populus) tremula</i></a>", the European trembling aspen. </p> <div class="mw-heading mw-heading2"><h2 id="Distribution">Distribution</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=3" title="Edit section: Distribution"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Reflection_of_tree.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Reflection_of_tree.JPG/170px-Reflection_of_tree.JPG" decoding="async" width="170" height="256" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Reflection_of_tree.JPG/255px-Reflection_of_tree.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Reflection_of_tree.JPG/340px-Reflection_of_tree.JPG 2x" data-file-width="2136" data-file-height="3216" /></a><figcaption>Trembling aspen at sunset in Langley, British Columbia, December 2010</figcaption></figure> <p>Quaking aspen occurs across <a href="/wiki/Canada" title="Canada">Canada</a> in all provinces and territories, with the possible exception of regions of <a href="/wiki/Nunavut" title="Nunavut">Nunavut</a> north of the James Bay islands. In the <a href="/wiki/United_States" title="United States">United States</a>, it can be found as far north as the northern foothills of the <a href="/wiki/Brooks_Range" title="Brooks Range">Brooks Range</a> in <a href="/wiki/Alaska" title="Alaska">Alaska</a>, where road margins and gravel pads provide islands of well-drained habitat in a region where soils are often waterlogged due to underlying <a href="/wiki/Permafrost" title="Permafrost">permafrost</a>.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> It occurs at low elevations as far south as northern <a href="/wiki/Nebraska" title="Nebraska">Nebraska</a> and central <a href="/wiki/Indiana" title="Indiana">Indiana</a>. In the Western United States, this tree rarely survives at elevations lower than 1,500 feet (460 m) due to hot summers experienced below that elevation, and is generally found at 5,000–12,000 feet (1,500–3,700 m).<sup id="cite_ref-Silvics_4-2" class="reference"><a href="#cite_note-Silvics-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>It grows at high altitudes as far south as <a href="/wiki/Guanajuato" title="Guanajuato">Guanajuato</a>, Mexico.<sup id="cite_ref-Silvics_4-3" class="reference"><a href="#cite_note-Silvics-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It grows in isolated areas in northeastern Mexico as well as <a href="/wiki/Baja_California" title="Baja California">Baja California</a>, <a href="/wiki/Jalisco" title="Jalisco">Jalisco</a>, the <a href="/wiki/State_of_Mexico" title="State of Mexico">State of Mexico</a>, <a href="/wiki/Michoac%C3%A1n" title="Michoacán">Michoacán</a>, <a href="/wiki/Sinaloa" title="Sinaloa">Sinaloa</a>, <a href="/wiki/Sonora" title="Sonora">Sonora</a>, and <a href="/wiki/Veracruz" title="Veracruz">Veracruz</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Quaking aspen grows in a wide variety of climatic conditions. January and July average temperatures range from −30 °C (−22 °F) and 16 °C (61 °F) in the <a href="/wiki/Alaska_Interior" class="mw-redirect" title="Alaska Interior">Alaska Interior</a> to −3 °C (27 °F) and 23 °C (73 °F) in <a href="/wiki/Fort_Wayne,_Indiana" title="Fort Wayne, Indiana">Fort Wayne, Indiana</a>. Average annual precipitation ranges from 1,020 mm (40 inches) in <a href="/wiki/Gander,_Newfoundland_and_Labrador" title="Gander, Newfoundland and Labrador">Gander, Newfoundland and Labrador</a> to as little as 180 mm (7 inches) in the Alaska Interior. The southern limit of the species' range roughly follows the 24 °C (75 °F) mean July <a href="/wiki/Isotherm_(contour_line)" class="mw-redirect" title="Isotherm (contour line)">isotherm</a>.<sup id="cite_ref-Silvics_4-4" class="reference"><a href="#cite_note-Silvics-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>In the <a href="/wiki/Sagebrush_steppe" title="Sagebrush steppe">sagebrush steppe</a>, aspens occur with <a href="/wiki/Chokecherry" class="mw-redirect" title="Chokecherry">chokecherry</a>, <a href="/wiki/Serviceberry" class="mw-redirect" title="Serviceberry">serviceberry</a>, and hawthorn, forming a habitable haven for animal life.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Shrub-like dwarf clones exist in marginal environments too cold and dry to be hospitable to full-size trees, for example at the species' upper elevation limits in the <a href="/wiki/White_Mountains_(California)" title="White Mountains (California)">White Mountains</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Ecology">Ecology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=4" title="Edit section: Ecology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Quakingfallcolors.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Quakingfallcolors.JPG/220px-Quakingfallcolors.JPG" decoding="async" width="220" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/Quakingfallcolors.JPG/330px-Quakingfallcolors.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/Quakingfallcolors.JPG/440px-Quakingfallcolors.JPG 2x" data-file-width="1632" data-file-height="1232" /></a><figcaption>Clonal colonies of different autumnal colors on a mountainside in the <a href="/wiki/Matanuska_Valley" class="mw-redirect" title="Matanuska Valley">Matanuska Valley</a> in Alaska</figcaption></figure> <p>Quaking aspen propagates itself primarily through root sprouts, and extensive <a href="/wiki/Clonal_colony" title="Clonal colony">clonal colonies</a> are common. Each colony is its own clone, and all trees in the clone have identical characteristics and share a single root structure. A clone may turn color earlier or later in the fall than its neighboring aspen clones. Fall colors are usually bright tones of yellow; in some areas, red blushes may be occasionally seen. As all trees in a given clonal colony are considered part of the same organism, one clonal colony, named <a href="/wiki/Pando_(tree)" title="Pando (tree)">Pando</a>, is considered the heaviest<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> and oldest<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> living organism on the planet. Pando spans across 43 hectares, weighs six million kilograms, most scientists agree that the Pando seed set down sometime between 8,000 and 12,000 years ago when climate currents in the region shifted at the end of the last ice age.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> Aspens do produce seeds, but seldom grow from them. Pollination is inhibited by the fact that aspens are either male or female, and large stands are usually all clones of the same sex. Even if pollinated, the small seeds (three million per pound) are only viable a short time as they lack a stored food source or a protective coating.<sup id="cite_ref-Ewing,_Susan_1996_16-0" class="reference"><a href="#cite_note-Ewing,_Susan_1996-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>The buds and bark supply food for <a href="/wiki/Snowshoe_hare" title="Snowshoe hare">snowshoe hares</a>, <a href="/wiki/Moose" title="Moose">moose</a>, <a href="/wiki/American_black_bear" title="American black bear">black bears</a>, <a href="/wiki/Cottontail_rabbit" title="Cottontail rabbit">cottontail rabbits</a>, <a href="/wiki/North_American_porcupine" title="North American porcupine">porcupines</a>, deer, <a href="/wiki/Grouse" title="Grouse">grouse</a>, and <a href="/wiki/Mountain_beaver" title="Mountain beaver">mountain beavers</a>. The shoots are eaten by <a href="/wiki/Sheep" title="Sheep">sheep</a>, <a href="/wiki/Goat" title="Goat">goats</a>, and <a href="/wiki/Cattle" title="Cattle">cattle</a>. Sheep and goats also browse the foliage, as do game animals including <a href="/wiki/Elk" title="Elk">elk</a>.<sup id="cite_ref-:0_17-0" class="reference"><a href="#cite_note-:0-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Grouse and quail especially eat the buds in winter. Mammals such as <a href="/wiki/North_American_beaver" title="North American beaver">beavers</a> and rabbits eat the bark, foliage, and buds.<sup id="cite_ref-:0_17-1" class="reference"><a href="#cite_note-:0-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Beavers also store aspen logs for winter food. Other animals nest in aspen groves.<sup id="cite_ref-:02_7-7" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> The leaves of the quaking aspen and other species in the genus <i>Populus</i> serve as food for <a href="/wiki/Caterpillar" title="Caterpillar">caterpillars</a> of various moths and butterflies.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Quaking aspen trees also serve as hosts to certain damaging insects such as the large aspen tortrix.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Dieback">Dieback</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=5" title="Edit section: Dieback"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Populus_tremuloides_8163.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Populus_tremuloides_8163.jpg/220px-Populus_tremuloides_8163.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Populus_tremuloides_8163.jpg/330px-Populus_tremuloides_8163.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/Populus_tremuloides_8163.jpg/440px-Populus_tremuloides_8163.jpg 2x" data-file-width="1600" data-file-height="1200" /></a><figcaption>Typical yellow autumn foliage</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon,_Nevada.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG/170px-2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG" decoding="async" width="170" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG/255px-2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9a/2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG/340px-2014-10-05_14_33_30_Aspens_showing_autumn_foliage_coloration_in_Lamoille_Canyon%2C_Nevada.JPG 2x" data-file-width="2448" data-file-height="3264" /></a><figcaption>Atypical orange and red autumn foliage</figcaption></figure> <p>Increased mortality in trembling aspen stands have been reported since the early 1990s across North America.<sup id="cite_ref-:05_21-0" class="reference"><a href="#cite_note-:05-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> As this accelerated in 2004, a debate over causes began. This increased dieback has been linked to multiple stressors, such as defoliation by the <a href="/wiki/Forest_tent_caterpillar_moth" title="Forest tent caterpillar moth">forest tent caterpillar</a> (<i>Malacosoma disstria</i>), wood-boring beetles such as the <a href="/wiki/Saperda_calcarata" title="Saperda calcarata">poplar borer</a> (<i>Saperda calcarata</i>) and the bronze poplar borer (<i>Agrilus liragus</i>), and fungal disturbances such as those by the <a href="/wiki/Valsa_sordida" title="Valsa sordida">Cytospora canker</a> (<i>Valsa sordida</i>).<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:05_21-1" class="reference"><a href="#cite_note-:05-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>Many areas of the Western US have experienced increased diebacks which are often attributed to ungulate grazing and <a href="/wiki/Wildfire_suppression" title="Wildfire suppression">wildfire suppression</a>. At high altitudes where grasses can be rare, <a href="/wiki/Ungulate" title="Ungulate">ungulates</a> can browse young aspen sprouts and prevent those young trees from reaching maturity. As a result, some aspen groves close to cattle or other grazing animals, such as deer or elk, have very few young trees and can be invaded by <a href="/wiki/Conifers" class="mw-redirect" title="Conifers">conifers</a>, which are not typically browsed. Another possible deterrent to aspen regeneration is widespread wildfire suppression. Aspens are vigorous <a href="/wiki/Resprouter" title="Resprouter">resprouters</a> and even though the above-ground portion of the organism may die in a wild-fire, the roots, which are often protected from lethal temperatures during a fire, will sprout new trees soon after a fire. Disturbances such as fires seem to be a necessary ecological event in order for aspens to compete with conifers, which tend to replace aspens over long, disturbance-free intervals. The current dieback in the American West may have roots in the strict fire suppression policy in the United States.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> On the other hand, the widespread decimation of conifer forests by the <a href="/wiki/Mountain_pine_beetle" title="Mountain pine beetle">mountain pine beetle</a> may provide increased opportunities for aspen groves to proliferate under the right conditions.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>Increased mortality has also been linked in turn to climate change. Thaw-freeze events and light snowfall in late winter as a result of increased temperatures has led to increased dieback in Southern and Western Canada.<sup id="cite_ref-:05_21-2" class="reference"><a href="#cite_note-:05-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Furthermore, climate records show that historically, most periods of aspen decline have been paired with periods of severe drought, which has worsened in recent years due to a changing climate.<sup id="cite_ref-:1_25-0" class="reference"><a href="#cite_note-:1-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Many stands of aspen that have been affected by climate change in recent years have poor regeneration potential, leading to concerns of widespread loss of aspen cover in the future.<sup id="cite_ref-:1_25-1" class="reference"><a href="#cite_note-:1-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>Because of vegetative regeneration by aspen, where an entire group of trees are essentially clones, there is a concern that something that hits one will eventually kill all of the trees, presuming they share the same vulnerability. A conference was held in <a href="/wiki/Utah" title="Utah">Utah</a> in September 2006 to share notes and consider investigative methodology.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=6" title="Edit section: Uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Aspen bark contains a substance that was extracted by indigenous North Americans and European settlers of the western U.S. as a <a href="/wiki/Quinine" title="Quinine">quinine</a> substitute.<sup id="cite_ref-Ewing,_Susan_1996_16-1" class="reference"><a href="#cite_note-Ewing,_Susan_1996-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>Like other poplars, aspens make poor <a href="/wiki/Fuel_wood" class="mw-redirect" title="Fuel wood">fuel wood</a>, as they dry slowly, rot quickly, and do not give off much heat. Yet they are still widely used in campgrounds because they are cheap and plentiful and not widely used in building lumber. Pioneers in the North American west used them to create <a href="/wiki/Log_cabins" class="mw-redirect" title="Log cabins">log cabins</a> and <a href="/wiki/Dugout_(shelter)" title="Dugout (shelter)">dugouts</a>, though they were not the preferred species.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>Aspen wood is used for <a href="/wiki/Pulp_(paper)" title="Pulp (paper)">pulp</a> products<sup id="cite_ref-:02_7-8" class="reference"><a href="#cite_note-:02-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> (its main application in Canada) such as books, newsprint, and fine printing paper. It is especially good for panel products such as <a href="/wiki/Oriented_strand_board" title="Oriented strand board">oriented strand board</a> and <a href="/wiki/Waferboard" title="Waferboard">waferboard</a>. It is light in weight and is used for furniture, boxes and crates, core stock in plywood, and wall panels.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Culture">Culture</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=7" title="Edit section: Culture"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The quaking aspen is the state tree of Utah.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Pando_(tree)" title="Pando (tree)">Pando</a>, an exceptionally large clonal colony of <i>P. tremuloides</i> determined to be a single male tree</li> <li><a href="/wiki/Largest_organisms" title="Largest organisms">Largest organisms</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=9" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output 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.citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBarstow,_M.Stritch,_L.2018" class="citation journal cs1">Barstow, M.; Stritch, L. (2018). <a rel="nofollow" class="external text" href="https://www.iucnredlist.org/species/61960127/61960136">"<i>Populus tremuloides</i>"</a>. <i><a href="/wiki/IUCN_Red_List" title="IUCN Red List">IUCN Red List of Threatened Species</a></i>. <b>2018</b>: e.T61960127A61960136. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.2305%2FIUCN.UK.2018-2.RLTS.T61960127A61960136.en">10.2305/IUCN.UK.2018-2.RLTS.T61960127A61960136.en</a></span><span class="reference-accessdate">. Retrieved <span class="nowrap">20 September</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=IUCN+Red+List+of+Threatened+Species&rft.atitle=Populus+tremuloides&rft.volume=2018&rft.pages=e.T61960127A61960136&rft.date=2018&rft_id=info%3Adoi%2F10.2305%2FIUCN.UK.2018-2.RLTS.T61960127A61960136.en&rft.au=Barstow%2C+M.&rft.au=Stritch%2C+L.&rft_id=https%3A%2F%2Fwww.iucnredlist.org%2Fspecies%2F61960127%2F61960136&rfr_id=info%3Asid%2Fen.wikipedia.org%3APopulus+tremuloides" class="Z3988"></span></span> </li> <li id="cite_note-NPS-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-NPS_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-NPS_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-NPS_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.nps.gov/brca/naturescience/quakingaspen.htm">Quaking Aspen</a> by the <a href="/wiki/Bryce_Canyon" class="mw-redirect" title="Bryce Canyon">Bryce Canyon</a> <a href="/wiki/National_Park_Service" title="National Park Service">National Park Service</a></span> </li> <li id="cite_note-GRIN-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-GRIN_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GRIN_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-GRIN_3-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs1"><a rel="nofollow" class="external text" href="https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=29424">"Populus tremuloides"</a>. <i><a href="/wiki/Germplasm_Resources_Information_Network" title="Germplasm Resources Information Network">Germplasm Resources Information Network</a></i>. <a href="/wiki/Agricultural_Research_Service" title="Agricultural Research Service">Agricultural Research Service</a>, <a href="/wiki/United_States_Department_of_Agriculture" title="United States Department of Agriculture">United States Department of Agriculture</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Germplasm+Resources+Information+Network&rft.atitle=Populus+tremuloides&rft_id=https%3A%2F%2Fnpgsweb.ars-grin.gov%2Fgringlobal%2Ftaxonomydetail.aspx%3Fid%3D29424&rfr_id=info%3Asid%2Fen.wikipedia.org%3APopulus+tremuloides" class="Z3988"></span></span> </li> <li id="cite_note-Silvics-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Silvics_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Silvics_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Silvics_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Silvics_4-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Silvics_4-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPerala1990" class="citation cs1">Perala, D. A. (1990). <a rel="nofollow" class="external text" href="https://www.srs.fs.usda.gov/pubs/misc/ag_654/volume_2/populus/tremuloides.htm">"<i>Populus tremuloides</i>"</a>. In Burns, Russell M.; Honkala, Barbara H. (eds.). <a rel="nofollow" class="external text" href="https://srs.fs.usda.gov/pubs/misc/ag_654/volume_2/vol2_table_of_contents.htm"><i>Hardwoods</i></a>. <i>Silvics of North America</i>. 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Utah State Legislature.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=S.B.+41+State+Tree+Change&rft.pub=Utah+State+Legislature&rft_id=http%3A%2F%2Fle.utah.gov%2F~2014%2Fbills%2Fstatic%2FSB0041.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APopulus+tremuloides" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Populus_tremuloides&action=edit&section=10" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.fs.fed.us/database/feis/plants/tree/poptre/all.html">US Forest Service Fire Effects Information System: <i>Populus tremuloides</i></a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20091126010525/http://www.abtreegene.com/trees.html">Alberta Forest Genetic Resources Council: <i>Populus tremuloides</i></a></li> <li><a rel="nofollow" class="external text" href="http://www.plantmaps.com/nrm/populus-tremuloides-quaking-aspen-native-range-map.php">Interactive Distribution Map for <i>Populus tremuloides</i></a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20151113113120/http://www.plantmaps.com/nrm/populus-tremuloides-quaking-aspen-native-range-map.php">Archived</a> 2015-11-13 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li>Farrar, John Laird. <i>Trees In Canada</i>. Fitzhenry and Whiteside, 1995</li> <li>Hickman, James C., ed. <i><a rel="nofollow" class="external text" href="http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?7038,7039,7044">The Jepson Manual: Higher Plants of California</a></i>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0520082559" title="Special:BookSources/0520082559">0520082559</a>. University of California Press, 1993.</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://pfaf.org/user/Plant.aspx?LatinName=Populus+tremuloides">"Populus tremuloides"</a>. <i><a href="/wiki/Plants_for_a_Future" title="Plants for a Future">Plants for a Future</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Plants+for+a+Future&rft.atitle=Populus+tremuloides&rft_id=https%3A%2F%2Fpfaf.org%2Fuser%2FPlant.aspx%3FLatinName%3DPopulus%2Btremuloides&rfr_id=info%3Asid%2Fen.wikipedia.org%3APopulus+tremuloides" class="Z3988"></span></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist 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td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Taxon_identifiers" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Taxon_identifiers" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Taxon_identifiers" title="Help:Taxon identifiers">Taxon identifiers</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: left;"><i>Populus tremuloides</i></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span style="white-space:nowrap;"><a href="/wiki/Wikidata" title="Wikidata">Wikidata</a>: <span class="uid"><span class="external"><a href="https://www.wikidata.org/wiki/Q469576" class="extiw" title="wikidata:Q469576">Q469576</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Wikispecies" title="Wikispecies">Wikispecies</a>: <span class="uid"><span class="external"><a href="https://species.wikimedia.org/wiki/Populus_tremuloides" class="extiw" title="wikispecies:Populus tremuloides">Populus tremuloides</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Barcode_of_Life_Data_System" title="Barcode of Life Data System">BOLD</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://www.boldsystems.org/index.php/TaxBrowser_TaxonPage?taxid=101025">101025</a></span></span></li> <li><span style="white-space:nowrap;">Calflora: <span class="uid"><a rel="nofollow" class="external text" href="https://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=6799">6799</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Catalogue_of_Life" title="Catalogue of Life">CoL</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.catalogueoflife.org/data/taxon/4LVR3">4LVR3</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclopedia_of_Life" title="Encyclopedia of Life">EoL</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://eol.org/pages/466982">466982</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/EPPO_Code" title="EPPO Code">EPPO</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://gd.eppo.int/taxon/POPTM">POPTM</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/European_Nature_Information_System" class="mw-redirect" title="European Nature Information System">EUNIS</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://eunis.eea.europa.eu/species/194252">194252</a></span></span></li> <li><span style="white-space:nowrap;">FEIS: <span class="uid"><a rel="nofollow" class="external text" href="https://www.fs.usda.gov/database/feis/plants/tree/poptre/all.html">poptre</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Flora_of_North_America" title="Flora of North America">FNA</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242417041">242417041</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Global_Biodiversity_Information_Facility" title="Global Biodiversity Information Facility">GBIF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.gbif.org/species/3040215">3040215</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Germplasm_Resources_Information_Network" title="Germplasm Resources Information Network">GRIN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=29424">29424</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/International_Fossil_Plant_Names_Index" title="International Fossil Plant Names Index">IFPNI</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://www.ifpni.org/species.htm?id=8515B4F8-2BEC-4D1B-972E-4CB97F0DCF5A">8515B4F8-2BEC-4D1B-972E-4CB97F0DCF5A</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/INaturalist" title="INaturalist">iNaturalist</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://inaturalist.org/taxa/54840">54840</a></span></span></li> <li><span style="white-space:nowrap;">IPA: <span class="uid"><a rel="nofollow" class="external text" href="https://www.invasiveplantatlas.org/subject.html?sub=2758">2758</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/International_Plant_Names_Index" title="International Plant Names Index">IPNI</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.ipni.org/n/776886-1">776886-1</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Interim_Register_of_Marine_and_Nonmarine_Genera" title="Interim Register of Marine and Nonmarine Genera">IRMNG</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.irmng.org/aphia.php?p=taxdetails&id=10886302">10886302</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Integrated_Taxonomic_Information_System" title="Integrated Taxonomic Information System">ITIS</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=195773">195773</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/IUCN_Red_List" title="IUCN Red List">IUCN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://apiv3.iucnredlist.org/api/v3/taxonredirect/61960127">61960127</a></span></span></li> <li><span style="white-space:nowrap;">MichiganFlora: <span class="uid"><a rel="nofollow" class="external text" href="https://michiganflora.net/species.aspx?id=2617">2617</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Missouri_Botanical_Garden" title="Missouri Botanical Garden">MoBotPF</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286796">286796</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/NatureServe" title="NatureServe">NatureServe</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.142643/">2.142643</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/National_Biodiversity_Network" title="National Biodiversity Network">NBN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://data.nbn.org.uk/Taxa/NHMSYS0000461973">NHMSYS0000461973</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/National_Center_for_Biotechnology_Information" title="National Center for Biotechnology Information">NCBI</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=3693">3693</a></span></span></li> <li><span style="white-space:nowrap;">NZOR: <span class="uid"><a rel="nofollow" class="external text" href="https://www.nzor.org.nz/names/3c8dad70-69b0-49ae-9131-3e9408cd89ad">3c8dad70-69b0-49ae-9131-3e9408cd89ad</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Observation.org" title="Observation.org">Observation.org</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://observation.org/species/148220/">148220</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Open_Tree_of_Life" title="Open Tree of Life">Open Tree of Life</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://tree.opentreeoflife.org/taxonomy/browse?id=8858">8858</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/The_Plant_List" title="The Plant List">Plant List</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://www.theplantlist.org/tpl1.1/record/kew-5000290">kew-5000290</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Natural_Resources_Conservation_Service#Plants" title="Natural Resources Conservation Service">PLANTS</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://plants.sc.egov.usda.gov/plant-profile/POTR5">POTR5</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Plants_of_the_World_Online" title="Plants of the World Online">POWO</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://powo.science.kew.org/taxon/urn%3Alsid%3Aipni.org%3Anames%3A208337-2">urn:lsid:ipni.org:names:208337-2</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Tropicos" title="Tropicos">Tropicos</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://legacy.tropicos.org/Name/28300255">28300255</a></span></span></li> <li><span style="white-space:nowrap;">VASCAN: <span class="uid"><a rel="nofollow" class="external text" href="https://data.canadensys.net/vascan/taxon/9053">9053</a></span></span></li> <li><span style="white-space:nowrap;">WisFlora: <span class="uid"><a rel="nofollow" class="external text" href="https://wisflora.herbarium.wisc.edu/taxa/index.php?taxon=4611">4611</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/World_Flora_Online" title="World Flora Online">WFO</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://list.worldfloraonline.org/wfo-0000928260">wfo-0000928260</a></span></span></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a>: National <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a 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href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph545364&CON_LNG=ENG">Czech Republic</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007565492605171">Israel</a></span></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Populus_tremuloides&oldid=1253084579">https://en.wikipedia.org/w/index.php?title=Populus_tremuloides&oldid=1253084579</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a 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