{"id":21735,"date":"2023-05-09T09:00:38","date_gmt":"2023-05-09T13:00:38","guid":{"rendered":"https:\/\/www.purdue.edu\/fnr\/extension\/?p=21735"},"modified":"2025-08-01T10:45:27","modified_gmt":"2025-08-01T14:45:27","slug":"id-that-tree-black-alder","status":"publish","type":"post","link":"https:\/\/www.purdue.edu\/fnr\/extension\/id-that-tree-black-alder\/","title":{"rendered":"ID That Tree: Black Alder"},"content":{"rendered":"<p>In this episode of ID That Tree, Recep Yildiz a FNR graduate student shares his expertise on how to ID black alder. Black alder, which is also known as common alder or European alder, is found in most of Europe and extends into North Africa and Asia. It is easily identified by its gummy twigs and leaves. Learn more about the black alder tree and how it was introduced to Indiana with now current warning signs of being an invasive species.<\/p>\n<p><iframe loading=\"lazy\" title=\"ID That Tree: Black Alder\" width=\"670\" height=\"377\" src=\"https:\/\/www.youtube.com\/embed\/kc3HKE-TaJk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our\u00a0<a title=\"Ask an Expert\" href=\"https:\/\/www.purdue.edu\/fnr\/extension\/got-nature-blog\/ask-an-expert\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ask an Expert<\/a>\u00a0web page.<\/p>\n<p><strong>Resources:<br \/>\n<\/strong><a title=\"ID That Tree Youtube Channel Playlist\" href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7V9w3jf2Sj_6-pNaw4sX4Ga\" target=\"_blank\" rel=\"noopener noreferrer\">ID That Tree<\/a>, Playlist, Purdue Extension \u2013 Forestry and Natural Resources YouTube Channel (Invasive White Mulberry, Siberian Elm, Tree of Heaven)<br \/>\n<a href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7VPjD7DpNPWCoNrhCdBFUIt\" target=\"_blank\" rel=\"noopener\">Invasive Species Playlist<\/a>, Playlist, Purdue Extension &#8211; FNR YouTube Channel (Asian Bush Honeysuckle, Burning Bush, Callery Pear, Multiflora rose)<br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=_yK8tstEacE&amp;list=PLgoGnq-fak7VTTnF4Bh9HvQnB_azYbAfY\" target=\"_blank\" rel=\"noopener noreferrer\">A Woodland Management Moment<\/a>, Playlist, Purdue Extension \u2013 FNR YouTube Channel (Against Invasives, Garlic Mustard, Autumn Olive)<br \/>\n<a href=\"https:\/\/www.youtube.com\/playlist?list=PLgoGnq-fak7XgiEFkpuQNAFa0rM4elCis\" target=\"_blank\" rel=\"noopener\">Woodland Stewardship for Landowners<\/a>, Playlist, Purdue Extension \u2013 FNR YouTube Channel (Common Buckthorn, Japanese Barberry)<br \/>\n<a href=\"https:\/\/ag.purdue.edu\/reportinvasive\/\" target=\"_blank\" rel=\"noopener\">Report Invasive Species<\/a>, Purdue Invasive Species<br \/>\n<a href=\"https:\/\/apps.bugwood.org\/apps\/gledn\/\" target=\"_blank\" rel=\"noopener\">The GLEDN Phone App<\/a> \u2013 Great Lakes Early Detection Network<br \/>\n<a href=\"https:\/\/www.eddmaps.org\/\" target=\"_blank\" rel=\"noopener\">EDDMaps<\/a> \u2013 Early Detection and Distribution Mapping System<br \/>\n<a href=\"https:\/\/www.nrs.fs.usda.gov\/pubs\/56498\" target=\"_blank\" rel=\"noopener\">How long do seeds of the invasive tree, <em>Ailanthus altissima<\/em> remain viable?<\/a> (Invasive Tree of Heaven), USDA Forest Service<br \/>\n<a href=\"https:\/\/www.in.gov\/dnr\/rules-and-regulations\/invasive-species\/\" target=\"_blank\" rel=\"noopener\">Indiana Department of Natural Resources: Invasive Species<\/a><br \/>\n<a href=\"https:\/\/www.entm.purdue.edu\/iisc\/\" target=\"_blank\" rel=\"noopener noreferrer\">Indiana Invasive Species Council<\/a><br \/>\n<a href=\"https:\/\/www.sicim.info\/cismas\" target=\"_blank\" rel=\"noopener\">Cooperative Invasive Species Management Area (CISMA)<\/a><br \/>\n<a href=\"https:\/\/iiseagrant.org\/work\/aquatic-invasive-species\/\" target=\"_blank\" rel=\"noopener\">Aquatic Invasive Species<\/a>, Illinois-Indiana Sea Grant (IISG)<br \/>\n<a href=\"https:\/\/podcasts.apple.com\/us\/podcast\/episode-11-exploring-the-challenges-of-invasive-species\/id1542816604?i=1000531593022\">Episode 11 \u2013 Exploring the challenges of Invasive Species<\/a>, Habitat University-Natural Resource University<br \/>\n<a href=\"https:\/\/www.purdue.edu\/fnr\/extension\/invasive-species\/\" target=\"_blank\" rel=\"noopener\">What are invasive species and why should I care?<\/a>, Got Nature? Blog, Purdue Extension &#8211; FNR<br \/>\n<a href=\"https:\/\/www.purdue.edu\/fnr\/extension\/spotted-lanternfly-feeds-on-over-70-plus-plant-species\/\" target=\"_blank\" rel=\"noopener\">Spotted Lanternfly Feeds on Over 70 Plus Plant Species<\/a>, Got Nature? Blog, Purdue Extension &#8211; FNR<br \/>\n<a href=\"https:\/\/www.press.purdue.edu\/9781612491448\/\" target=\"_blank\" rel=\"noopener\">Shrubs and Woody Vines of Indiana and the Midwest<\/a>, The Education Store, Purdue Extension Resource Center<br \/>\n<a href=\"https:\/\/www.press.purdue.edu\/9781557535726\/\">Native Trees of the Midwest<\/a>, The Education Store<br \/>\n<a href=\"https:\/\/edustore.purdue.edu\/item.asp?Item_Number=FNR-482-W\" target=\"_blank\" rel=\"noopener noreferrer\">Investing in Indiana Woodlands<\/a>, The Education Store<br \/>\n<a href=\"https:\/\/edustore.purdue.edu\/item.asp?Item_Number=FNR-IDNR-414\" target=\"_blank\" rel=\"noopener noreferrer\">Forest Improvement Handbook<\/a>, The Education Store<\/p>\n<p><a href=\"https:\/\/www.researchgate.net\/profile\/Recep-Yildiz-3\" target=\"_blank\" rel=\"noopener\">Recep Yildiz<\/a>, FNR graduate student<br \/>\nPurdue Department of Forestry &amp; Natural Resources<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this episode of ID That Tree, Recep Yildiz a FNR graduate student shares his expertise on how to ID black alder. Black alder, which is also known as common alder or European alder, is found in most of Europe and extends into North Africa and Asia. It is easily identified by its gummy twigs [&hellip;]<\/p>\n","protected":false},"author":57,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,80,49,53,54,622],"tags":[1740,256,943,60,1148,379,1163,1555,408,71,495],"class_list":["post-21735","post","type-post","status-publish","format-standard","hentry","category-forestry","category-trees","category-plants","category-urbanforestry","category-wildlife","category-woodlands","tag-black-alder","tag-fnr","tag-fnr-extension","tag-forestry","tag-id-that-tree","tag-landowners","tag-plant","tag-species","tag-trees","tag-urban-forestry","tag-woodlands","audience-for-enthusiasts","audience-for-homeowners","audience-for-landowners","audience-for-professionals"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"May 9, 2023 ID That Tree: Black Alder\" \/>\n\t<meta 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