{"id":8686,"date":"2026-08-17T15:25:48","date_gmt":"2026-08-17T19:25:48","guid":{"rendered":"https:\/\/invasivesc2stg.wpenginepowered.com\/invasive-species\/profile\/iris-jaune\/"},"modified":"2026-09-09T15:27:53","modified_gmt":"2026-09-09T19:27:53","slug":"iris-jaune","status":"publish","type":"profile","link":"https:\/\/www.invasivescanada.ca\/fr-ca\/invasive-species\/profile\/iris-jaune\/","title":{"rendered":"Iris jaune"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Description<\/h2><\/div><div class=\"fusion-text fusion-text-1\"><p>L\u2019iris jaune (<em>Iris pseudacorus<\/em>) est une plante aquatique envahissante originaire d\u2019Eurasie et d\u2019Afrique du Nord, qui a \u00e9t\u00e9 introduite en Am\u00e9rique du Nord comme plante ornementale. R\u00e9put\u00e9 pour ses fleurs jaunes voyantes, il pousse le long des berges ainsi que dans les zones humides, les \u00e9tangs, les ruisseaux et d\u2019autres habitats humides. L\u2019iris jaune se propage \u00e0 la fois par ses graines et par ses tiges souterraines appel\u00e9es rhizomes, ce qui lui permet de former des peuplements denses qui \u00e9touffent la v\u00e9g\u00e9tation indig\u00e8ne, r\u00e9duisent la biodiversit\u00e9 et alt\u00e8rent les habitats des zones humides. Malgr\u00e9 ses effets envahissants, l\u2019iris jaune reste largement disponible dans le commerce horticole.<\/p>\n<\/div><ul style=\"--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;\" class=\"fusion-checklist fusion-checklist-1 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong><span class=\"TextRun SCXW170493921 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170493921 BCX0\">Nom scientifique :<\/span><\/span><\/strong><em><span class=\"TextRun SCXW170493921 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170493921 BCX0\"> <span class=\"TextRun SCXW117683996 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW117683996 BCX0\">Iris pseudacorus<\/span><\/span><\/span><\/span><\/em><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong><span class=\"TextRun SCXW156419798 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW156419798 BCX0\">Nom fran\u00e7ais :<\/span><\/span><\/strong><span class=\"TextRun SCXW156419798 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW156419798 BCX0\"> <span class=\"NormalTextRun SCXW164071900 BCX0\">Iris faux-<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW164071900 BCX0\">acore<\/span><\/span><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW27890532 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><strong><span class=\"NormalTextRun SCXW27890532 BCX0\">Nom(s) commun(s) :<\/span><\/strong><span class=\"NormalTextRun SCXW27890532 BCX0\"> <span class=\"NormalTextRun SCXW120583935 BCX0\">Iris faux-acore, <\/span><span class=\"NormalTextRun SCXW120583935 BCX0\">iris jaune p\u00e2le, iris d&rsquo;eau jaune <\/span><span class=\"NormalTextRun SCXW120583935 BCX0\">iris<\/span><span class=\"NormalTextRun SCXW120583935 BCX0\"> ou iris \u00e0 drapeau jaune. <\/span><\/span> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong><span class=\"TextRun SCXW25075692 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW25075692 BCX0\">Statut r\u00e9glementaire<\/span><\/span><\/strong><span class=\"TextRun SCXW25075692 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW25075692 BCX0\"><strong>:<\/strong> <span class=\"TextRun SCXW209432197 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209432197 BCX0\">L&rsquo;iris jaune n&rsquo;est<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">pas une plante envahissante r\u00e9glement\u00e9e au niveau f\u00e9d\u00e9ral<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\"> au Canada<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">. Toutefois, <\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">il est r\u00e9glement\u00e9 <\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">en tant qu\u2019esp\u00e8ce nuisible <\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">W<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\">\u00bb<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\"> <\/span><\/span><a class=\"Hyperlink SCXW209432197 BCX0\" href=\"https:\/\/abinvasives.ca\/fact-sheet\/iris-pale-yellow\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW209432197 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW209432197 BCX0\" data-ccp-charstyle=\"Hyperlink\">Alberta<\/span><\/span><\/a><span class=\"TextRun SCXW209432197 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209432197 BCX0\"> et<\/span><span class=\"NormalTextRun SCXW209432197 BCX0\"> <\/span><\/span> <a class=\"Hyperlink SCXW209432197 BCX0\" href=\"https:\/\/bcinvasives.ca\/invasives\/yellow-flag-iris\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW209432197 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW209432197 BCX0\" data-ccp-charstyle=\"Hyperlink\">Colombie-Britannique<\/span><\/span><\/a><span class=\"TextRun SCXW209432197 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209432197 BCX0\">. <\/span><span class=\"NormalTextRun SCXW209432197 BCX0\"> <\/span><\/span>  <\/span><\/span><\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\" style=\"border-radius:25px;\"><img decoding=\"async\" width=\"1024\" height=\"683\" alt=\"Image of Yellow Iris\" title=\"Yellow Iris\" src=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC.jpeg\" class=\"img-responsive wp-image-8694\" srcset=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC-200x133.jpeg 200w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC-400x267.jpeg 400w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC-600x400.jpeg 600w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC-800x534.jpeg 800w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-fboue19-some-rights-reserved-CC-BY-NC.jpeg 1024w\" sizes=\"(max-width: 820px) 100vw, 1024px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-2 fusion-text-no-margin\" style=\"--awb-font-size:11px;--awb-line-height:1.2;--awb-margin-top:3px;--awb-margin-right:0px;--awb-margin-bottom:20px;--awb-margin-left:30px;--awb-text-font-family:&quot;Roboto Condensed&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p>\u00a9 fboue19 via iNaturalist.org, utilis\u00e9 sous licence CC-BY-NC<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Introduction et diffusion<\/h2><\/div><div class=\"fusion-text fusion-text-3\"><p><span class=\"NormalTextRun SCXW48435980 BCX0\"><span class=\"NormalTextRun SCXW129368256 BCX0\">Iris jaune <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW129368256 BCX0\">a \u00e9t\u00e9<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> introduit en Am\u00e9rique du Nord comme plante ornementale et est toujours <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">tr\u00e8s r\u00e9pandu dans le secteur horticole. Sa pr\u00e9sence a \u00e9t\u00e9 signal\u00e9e pour la premi\u00e8re fois en Am\u00e9rique du Nord en <\/span> <span class=\"NormalTextRun SCXW129368256 BCX0\">Terre-Neuve en 1991 (Tu 2003 ;  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Denslow et al., 2010<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">; Jacobs, 2010<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">)<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">.<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">  L&rsquo;iris jaune peut se propager par ses rhizomes et ses graines, qui peuvent flotter pendant de longues p\u00e9riodes,  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">faciliter<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">  leur propagation par l&rsquo;eau<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">  (<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Sutherland, 1990<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">;  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">DiTomaso et Kyser, 2016<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">)<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">.  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">S<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Plusieurs centaines de plantes peuvent \u00eatre reli\u00e9es entre elles par des rhizomes  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">(<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Morgan et al., 202<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">5<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">), et des fragments aussi petits que  <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">2 cm<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">  peut donner naissance \u00e0 de nouvelles plantes<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">(Jaca, 2013<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">). <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Cependant, la plupart des infestations<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">s<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> trouvent leur origine dans la plantation intentionnelle d\u2019iris jaunes dans les jardins,<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> qui se propagent ensuite vers les espaces naturels voisins, tels que les zones humides, <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW129368256 BCX0\">les rivi\u00e8res<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">, <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">ruisseaux<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> et les berges. <\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">Elle peut \u00e9galement \u00eatre transport\u00e9e involontairement par du mat\u00e9riel contamin\u00e9, tel que des graines ou des fragments de rhizomes, ou<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">sur des bottes ou des pelles<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\"> utilis\u00e9es pour l\u2019\u00e9limination manuelle<\/span><span class=\"NormalTextRun SCXW129368256 BCX0\">. <\/span> <\/span><\/p>\n<p><span class=\"NormalTextRun SCXW147717194 BCX0\">L&rsquo;iris jaune est originaire d&rsquo;Eurasie et d&rsquo;Afrique du Nord (Tu 2003). <\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">En Am\u00e9rique du Nord, on le trouve dans tous les \u00c9tats, <\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">\u00e0 l&rsquo;exception du<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\"> du Dakota du Nord et de l&rsquo;Arizona<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\"> (<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW147717194 BCX0\">EDDMapS<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\"> 2025<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">). <\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">L\u2019iris jaune est largement r\u00e9pandu au Canada et est pr\u00e9sent dans toutes les provinces et tous les territoires, \u00e0 l\u2019exception de la <\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">la Saskatchewan, le Manitoba, le Yukon et <\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">le Nunavut<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\"> et les Territoires du Nord-Ouest.<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\"> Il est class\u00e9 comme mauvaise herbe nuisible en Colombie-Britannique et en Alberta<\/span><span class=\"NormalTextRun SCXW147717194 BCX0\">. <\/span> <span class=\"NormalTextRun SCXW147717194 BCX0\"> <\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Habitat<\/h2><\/div><div class=\"fusion-text fusion-text-4\"><p><span class=\"NormalTextRun SCXW120872816 BCX0\">Iris jaune<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> poussent<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\">dans<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> dans l&rsquo;eau ou \u00e0 proximit\u00e9 de celle-ci, <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW120872816 BCX0\">bien qu\u2019<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> il peut survivre dans des milieux terrestres humides. <\/span><span class=\"NormalTextRun SCXW120872816 BCX0\">Cela <\/span><span class=\"NormalTextRun SCXW120872816 BCX0\">comprend notamment les<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> ruisseaux, rivi\u00e8res, \u00e9tangs et <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW120872816 BCX0\">prairies<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> et les zones humides.<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> On la trouve \u00e9galement dans des milieux perturb\u00e9s tels que les foss\u00e9s en bordure de route et les <\/span><span class=\"NormalTextRun SCXW120872816 BCX0\">les bassins de gestion des eaux pluviales. Elle pr\u00e9f\u00e8re le plein soleil et <\/span> <span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW120872816 BCX0\">les sols<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> pr\u00e9sentant une forte teneur en humidit\u00e9. <\/span><span class=\"NormalTextRun SCXW120872816 BCX0\">Elle peut tol\u00e9rer la salinit\u00e9 ainsi que les sols peu fertiles, y compris ceux pr\u00e9sentant une faible disponibilit\u00e9 en oxyg\u00e8ne<\/span><span class=\"NormalTextRun SCXW120872816 BCX0\"> (Tu 2003 ; Jacobs et al. 2010). <\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Identification<\/h2><\/div><ul style=\"--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;\" class=\"fusion-checklist fusion-checklist-2 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW28749460 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><strong><span class=\"NormalTextRun SCXW28749460 BCX0\">Hauteur et tige<\/span><\/strong><span class=\"NormalTextRun SCXW28749460 BCX0\"><strong>:<\/strong> <span class=\"TextRun SCXW260610719 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW260610719 BCX0\">Elle poss\u00e8de des tiges robustes et peut atteindre une hauteur comprise entre 0,4 m et 1,5 m. <\/span><\/span><\/span> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong><span class=\"TextRun SCXW219732071 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW219732071 BCX0\">Feuilles :<\/span><\/span><\/strong><span class=\"TextRun SCXW219732071 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW219732071 BCX0\"> <span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW99504234 BCX0\">Bleu<\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW99504234 BCX0\">-vert<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  \u00e0  <\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">vert fonc\u00e9 en  <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW99504234 BCX0\">couleur<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">,  <\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">large, aplati, rigide et en forme d&rsquo;\u00e9p\u00e9e.  <\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">Ils<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  former un groupe basal<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">s<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  qui s&rsquo;\u00e9panouissent \u00e0 la base<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  et<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  peut \u00eatre  <\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">50 cm<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  \u2013  <\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">100 cm<\/span><span class=\"NormalTextRun SCXW99504234 BCX0\">  long.  <\/span><\/span><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><strong><span class=\"TextRun SCXW47685928 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW47685928 BCX0\">Fleurs :<\/span><\/span><\/strong><span class=\"TextRun SCXW47685928 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW47685928 BCX0\"> <span class=\"NormalTextRun SCXW62726225 BCX0\">Se pr\u00e9sentent<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\"> par grappes de 2 \u00e0 3 sur une tige<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">. <\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">Elles sont de couleur jaune p\u00e2le \u00e0 orange<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">et se composent de six segments<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">. Elles comportent<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\"> trois s\u00e9pales retombants en forme de langue, avec<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\"> des nervures et des taches violettes \u00e0 la base. <\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">Elle poss\u00e8de \u00e9galement trois p\u00e9tales dress\u00e9s, plus petits. <\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">La taille des fleurs varie entre <\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">8 cm<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\"> \u00e0 <\/span><span class=\"NormalTextRun SCXW62726225 BCX0\">10 cm<\/span><span class=\"NormalTextRun SCXW62726225 BCX0\"> de large. <\/span> <\/span><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW10153218 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><strong><span class=\"NormalTextRun SCXW10153218 BCX0\">Fruits :<\/span><\/strong><span class=\"NormalTextRun SCXW10153218 BCX0\"> <span class=\"NormalTextRun SCXW99337794 BCX0\">Chaque fleur produit<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">une<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\"> une<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">capsule oblongue \u00e0 six faces, de couleur verte brillante<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">vert<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\"> et coriace, mesurant <\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">4 cm<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\"> \u00e0 <\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">8 cm<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\"> de long. <\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">Cette capsule <\/span><span class=\"NormalTextRun SCXW99337794 BCX0\">contient<\/span><span class=\"NormalTextRun SCXW99337794 BCX0\"> 100 \u00e0 120 graines dot\u00e9es d\u2019un t\u00e9gument dur et d\u2019une cavit\u00e9 gazeuse interne qui leur permet de flotter. <\/span> <\/span><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW121574308 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW121574308 BCX0\"><strong>Racines :<\/strong> <span class=\"NormalTextRun SCXW129808903 BCX0\">L&rsquo;iris jaune poss\u00e8de un vaste syst\u00e8me racinaire souterrain, compos\u00e9 de racines \u00e9paisses, ramifi\u00e9es et de couleur rose<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW129808903 BCX0\">de couleur rose<\/span><span class=\"NormalTextRun SCXW129808903 BCX0\"> . Ceux-ci exsudent <\/span><span class=\"NormalTextRun SCXW129808903 BCX0\">une s\u00e8ve noire<\/span><span class=\"NormalTextRun SCXW129808903 BCX0\"> toxique en cas d\u2019ingestion et pouvant provoquer des<\/span><span class=\"NormalTextRun SCXW129808903 BCX0\">n<\/span><span class=\"NormalTextRun SCXW129808903 BCX0\"> . <\/span> <\/span><\/span><\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.3333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.3333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\" style=\"border-radius:25px;\"><img decoding=\"async\" width=\"887\" height=\"887\" alt=\"Image of yellow iris flower\" title=\"\u00a9 Oleg Kosterin, iNaturalist (CC-BY)\" src=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY.jpg\" class=\"img-responsive wp-image-8689\" srcset=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY-200x200.jpg 200w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY-400x400.jpg 400w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY-600x600.jpg 600w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY-800x800.jpg 800w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Oleg-Kosterin-some-rights-reserved-CC-BY.jpg 887w\" sizes=\"(max-width: 820px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-5\"><p>Fleur d&rsquo;iris jaune<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.3333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.3333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\" style=\"border-radius:25px;\"><img decoding=\"async\" width=\"768\" height=\"768\" alt=\"Image of yellow iris fruit\" title=\"\u00a9 Andriy Kovalchuk, iNaturalist (CC-BY-NC)\" src=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Andriy-Kovalchuk-some-rights-reserved-CC-BY-NC.jpg\" class=\"img-responsive wp-image-8693\" srcset=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Andriy-Kovalchuk-some-rights-reserved-CC-BY-NC-200x200.jpg 200w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Andriy-Kovalchuk-some-rights-reserved-CC-BY-NC-400x400.jpg 400w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Andriy-Kovalchuk-some-rights-reserved-CC-BY-NC-600x600.jpg 600w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-Andriy-Kovalchuk-some-rights-reserved-CC-BY-NC.jpg 768w\" sizes=\"(max-width: 820px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-6\"><p>Fruit de l&rsquo;iris jaune<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_3 1_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:33.3333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.3333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\" style=\"border-radius:25px;\"><img decoding=\"async\" width=\"768\" height=\"768\" alt=\"Image of yellow iris leaves\" title=\"\u00a9 E. Borchert, iNaturalist (CC-BY)\" src=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-E.-Borchert-some-rights-reserved-CC-BY.jpeg\" class=\"img-responsive wp-image-8691\" srcset=\"https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-E.-Borchert-some-rights-reserved-CC-BY-200x200.jpeg 200w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-E.-Borchert-some-rights-reserved-CC-BY-400x400.jpeg 400w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-E.-Borchert-some-rights-reserved-CC-BY-600x600.jpeg 600w, https:\/\/www.invasivescanada.ca\/wp-content\/uploads\/2026\/08\/\u00a9-E.-Borchert-some-rights-reserved-CC-BY.jpeg 768w\" sizes=\"(max-width: 820px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-7\"><p>Feuilles d&rsquo;iris jaunes<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Cons\u00e9quences<\/h2><\/div><ul style=\"--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;\" class=\"fusion-checklist fusion-checklist-3 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW151508894 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW151508894 BCX0\">Vari\u00e9t\u00e9s d&rsquo;iris jaunes  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">des tapis \u00e9pais capables de flotter \u00e0 la surface de l&rsquo;eau ou denses  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">correctifs<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">  d&rsquo;une v\u00e9g\u00e9tation envahissante qui r\u00e9duit la biodiversit\u00e9,  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">\u00e9vince les plantes indig\u00e8nes indispensables \u00e0 la faune, notamment aux oiseaux aquatiques,<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">  modifier l&rsquo;hydrologie et la s\u00e9dimentation, ce qui peut  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">secret<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">  des zones humides vers des habitats plus secs, tels que les prairies humides et les for\u00eats (<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">Sutherland, 1990 ;  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">Jacobs et al., 2010 ;  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">DiTomaso et Kyser, 2016 ;  <\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">Gallego-<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW151508894 BCX0\">Tevar<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">  et al., 2022<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">)<\/span><span class=\"NormalTextRun SCXW151508894 BCX0\">.  <\/span><\/span><span class=\"EOP Selected SCXW151508894 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW203989760 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW203989760 BCX0\">Bien que l&rsquo;iris jaune soit encore largement r\u00e9pandu en Am\u00e9rique du Nord, bien qu&rsquo;il soit class\u00e9 comme plante nuisible dans de nombreuses r\u00e9gions de son aire de r\u00e9partition d&rsquo;introduction, son \u00e9limination peut s&rsquo;av\u00e9rer extr\u00eamement co\u00fbteuse une fois qu&rsquo;il <\/span><span class=\"NormalTextRun SCXW203989760 BCX0\">il s\u2019est \u00e9tabli<\/span><span class=\"NormalTextRun SCXW203989760 BCX0\">. <\/span> <\/span><span class=\"EOP Selected SCXW203989760 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW22385395 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW22385395 BCX0\">Les rhizomes de l&rsquo;iris jaune sont toxiques pour les animaux et les humains en cas d&rsquo;ingestion.<\/span><span class=\"NormalTextRun SCXW22385395 BCX0\"> Ils <\/span><span class=\"NormalTextRun SCXW22385395 BCX0\">contiennent de l\u2019<\/span><span class=\"NormalTextRun SCXW22385395 BCX0\"> de l\u2019iridine, qui peut provoquer de graves <\/span><span class=\"NormalTextRun SCXW22385395 BCX0\">sympt\u00f4mes gastro-intestinaux<\/span><span class=\"NormalTextRun SCXW22385395 BCX0\"> . De plus, elle peut provoquer une irritation cutan\u00e9e (Jacobs et al. 2010 ; DiTomaso et Kyser 2016). <\/span> <\/span><span class=\"EOP Selected SCXW22385395 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Cycle de vie<\/h2><\/div><div class=\"fusion-text fusion-text-8\"><p><span class=\"NormalTextRun SCXW92717753 BCX0\">Les feuilles de l&rsquo;iris jaune <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">apparaissent<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> au d\u00e9but du printemps et se d\u00e9veloppent activement d\u2019avril \u00e0 juin. <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">Cette croissance se fait g\u00e9n\u00e9ralement par le biais de ses rhizomes qui <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">restent<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> en dormance pendant l\u2019hiver, plut\u00f4t qu\u2019\u00e0 partir de nouvelles graines. <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">Elle atteint sa maturit\u00e9 sexuelle \u00e0 l&rsquo;\u00e2ge de trois ans. La floraison a lieu entre mai et juin et les fleurs sont pollinis\u00e9es par<\/span> <span class=\"NormalTextRun SCXW92717753 BCX0\"> les bourdons et les mouches \u00e0 longue langue (Tu 2003 ; Morgan et al. 202<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">5<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">). <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">Les fruits qui <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">contiennent<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> entre 32 et 120 graines m\u00fbrissent <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">et se dispersent <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW92717753 BCX0\">de<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> fin d\u2019\u00e9t\u00e9 et d\u00e9but d\u2019automne. Seule une petite <\/span> <span class=\"NormalTextRun SCXW92717753 BCX0\">part<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> des graines (jusqu\u2019\u00e0 20 %) sont <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">viables<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> (<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">Sutherland 1990 ; Tu 2003 ; Gaskin et al. 2016<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">). <\/span><span class=\"NormalTextRun SCXW92717753 BCX0\">\u00c0 l\u2019automne, la v\u00e9g\u00e9tation en surface <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW92717753 BCX0\">meurt<\/span><span class=\"NormalTextRun SCXW92717753 BCX0\"> et la plante passe l&rsquo;hiver gr\u00e2ce \u00e0 ses rhizomes. <\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-7 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Ce que vous pouvez faire<\/h2><\/div><div class=\"fusion-text fusion-text-9\"><h4>Vous pouvez contribuer \u00e0 pr\u00e9venir la propagation de l&rsquo;iris jaune en :<\/h4>\n<\/div><ul style=\"--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;\" class=\"fusion-checklist fusion-checklist-4 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><a href=\"https:\/\/www.invasivescanada.ca\/fr-ca\/impliquez-vous\/programmes-passez-a-laction\/nettoyez-videz-sechez\/\" target=\"_blank\" rel=\"noopener\"><strong>Nettoyez, videz, s\u00e9chez<\/strong><\/a>: Inspectez votre bateau, votre remorque, vos pagaies, votre mat\u00e9riel de p\u00eache et vos bottes pour v\u00e9rifier qu\u2019ils ne comportent pas de boue, de d\u00e9bris v\u00e9g\u00e9taux ou de petits animaux. Retirez et jetez tout ce que vous trouvez avant de quitter l\u2019eau.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW83095643 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW83095643 BCX0\"><a href=\"https:\/\/www.invasivescanada.ca\/fr-ca\/impliquez-vous\/programmes-passez-a-laction\/ne-les-relachez-pas\/\"><strong>Ne les rel\u00e2chez pas<\/strong><\/a>: Ne d\u00e9versez jamais l\u2019eau d\u2019un aquarium ou d\u2019un bassin domestique, ni de plantes, ni d\u2019animaux morts ou vivants, dans les cours d\u2019eau.  <\/span><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW5984328 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><a href=\"https:\/\/www.invasivescanada.ca\/fr-ca\/impliquez-vous\/programmes-passez-a-laction\/tout-sur-les-plantes\/\"><strong><span class=\"NormalTextRun SpellingErrorV2Themed SCXW5984328 BCX0\">Jardinez intelligemment<\/span><\/strong><\/a><span class=\"NormalTextRun SCXW5984328 BCX0\">: <span class=\"NormalTextRun SCXW95385223 BCX0\">Ne<\/span><span class=\"NormalTextRun SCXW95385223 BCX0\"> plantez<\/span> <span class=\"NormalTextRun SCXW95385223 BCX0\">pas<\/span><span class=\"NormalTextRun SCXW95385223 BCX0\"> d'iris jaunes ni d'autres esp\u00e8ces envahissantes. Optez plut\u00f4t pour<\/span><span class=\"NormalTextRun SCXW95385223 BCX0\">des esp\u00e8ces <\/span><span class=\"NormalTextRun SCXW95385223 BCX0\"> indig\u00e8nes ou<\/span><span class=\"NormalTextRun SCXW95385223 BCX0\">non envahissantes. <\/span><\/span> <\/span><span class=\"EOP Selected SCXW5984328 BCX0\" data-ccp-props=\"\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW83917612 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW83917612 BCX0\"><strong>Sensibiliser<\/strong>:<\/span><\/span><span class=\"TextRun SCXW83917612 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW83917612 BCX0\"> Apprenez \u00e0 reconna\u00eetre l'iris jaune et sensibilisez le public<\/span><span class=\"NormalTextRun SCXW83917612 BCX0\"> sur les risques \u00e9cologiques pos\u00e9s par les plantes aquatiques envahissantes<\/span><span class=\"NormalTextRun SCXW83917612 BCX0\"> <\/span><span class=\"NormalTextRun SCXW83917612 BCX0\">et encouragez des pratiques responsables au sein de votre communaut\u00e9.<\/span><\/span><span class=\"TextRun SCXW83917612 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW83917612 BCX0\">\u202f<\/span><\/span><span class=\"EOP Selected SCXW83917612 BCX0\" data-ccp-props=\"\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-check fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><span class=\"TextRun SCXW170640294 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170640294 BCX0\"><strong>Signalement<\/strong>: <\/span><\/span><span class=\"TextRun SCXW170640294 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170640294 BCX0\">Signalez les iris jaunes<\/span><span class=\"NormalTextRun SCXW170640294 BCX0\"> et toute esp\u00e8ce envahissante aux <\/span><span class=\"NormalTextRun SCXW170640294 BCX0\">autorit\u00e9s r\u00e9gionales<\/span><span class=\"NormalTextRun SCXW170640294 BCX0\"> comp\u00e9tentes<\/span><\/span><span class=\"TextRun SCXW170640294 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170640294 BCX0\"> <\/span><\/span><span class=\"TextRun SCXW170640294 BCX0\" lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170640294 BCX0\">tels que les conseils provinciaux ou territoriaux charg\u00e9s des esp\u00e8ces envahissantes, ou encore en utilisant des outils gratuits tels que <\/span><a href=\"https:\/\/www.eddmaps.org\/\" target=\"_blank\" rel=\"noopener\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW170640294 BCX0\">EDDMapS<\/span><\/a><span class=\"NormalTextRun SCXW170640294 BCX0\"> et <\/span><a href=\"https:\/\/www.inaturalist.org\/home\" target=\"_blank\" rel=\"noopener\"><span class=\"NormalTextRun SCXW170640294 BCX0\">iNaturalist<\/span><\/a><span class=\"NormalTextRun SCXW170640294 BCX0\">.<\/span><\/span><span class=\"TextRun SCXW170640294 BCX0\" lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW170640294 BCX0\">\u202f<\/span><\/span><span class=\"EOP Selected SCXW170640294 BCX0\" data-ccp-props=\"\"> <\/span><\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-8 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:29;line-height:1.21;\">Autres ressources<\/h2><\/div><ul style=\"--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;\" class=\"fusion-checklist fusion-checklist-5 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-angle-double-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><a class=\"Hyperlink SCXW167197782 BCX0\" href=\"https:\/\/www.ontarioinvasiveplants.ca\/wp-content\/uploads\/2023\/05\/OIPC_BMP_YellowIris_Apr252023_D5_FINAL_WEB-1.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW167197782 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW167197782 BCX0\" data-ccp-charstyle=\"Hyperlink\">Meilleures pratiques de gestion de l&rsquo;iris jaune en Ontario<\/span><\/span><\/a><span class=\"EOP Selected SCXW167197782 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-angle-double-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><a class=\"Hyperlink SCXW158018783 BCX0\" href=\"https:\/\/metrovancouver.org\/services\/regional-planning\/Documents\/yellow-flag-iris-best-management-practices.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW158018783 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW158018783 BCX0\" data-ccp-charstyle=\"Hyperlink\">Meilleures pratiques de gestion de l&rsquo;iris jaune en Colombie-Britannique (r\u00e9gion m\u00e9tropolitaine de Vancouver)<\/span><\/span><\/a><span class=\"EOP Selected SCXW158018783 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-angle-double-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><a class=\"Hyperlink SCXW103717998 BCX0\" href=\"https:\/\/open.alberta.ca\/dataset\/8cd913ab-5e3e-4ef5-83ed-7510bfbf75aa\/resource\/2cade736-d662-483c-8e31-e48e6f505119\/download\/ais-quickfactspaleyellowiris-feb2018.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW103717998 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW103717998 BCX0\" data-ccp-charstyle=\"Hyperlink\">Fiche d\u2019information \u00ab Ne les rel\u00e2chez pas \u00bb en Alberta<\/span><\/span><\/a><span class=\"EOP Selected SCXW103717998 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-angle-double-right fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><a class=\"Hyperlink SCXW111343355 BCX0\" href=\"https:\/\/your.kingcounty.gov\/dnrp\/library\/water-and-land\/weeds\/bmps\/yellow-flag-iris-control.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW111343355 BCX0\" lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW111343355 BCX0\" data-ccp-charstyle=\"Hyperlink\">Programme de lutte contre les mauvaises herbes nuisibles du comt\u00e9 de King \u2013 Bonnes pratiques de gestion concernant l&rsquo;iris jaune<\/span><\/span><\/a><span class=\"EOP Selected SCXW111343355 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>\n<\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-19 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:20px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div><div class=\"fusion-text fusion-text-10\" style=\"--awb-font-size:14px;--awb-letter-spacing:1.2px;--awb-text-font-family:&quot;Roboto Condensed&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><ol>\n<li><span data-contrast=\"auto\">Denslow, M.W., Katz, G. et Jennings, W.F. 2011. Premi\u00e8res observations de <\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> (Iridaceae) dans le Colorado. Journal de l'Institut de recherche botanique du Texas. 5(1) : 327-329. <\/span><a href=\"https:\/\/www.jstor.org\/stable\/41972524\"><span data-contrast=\"none\">https:\/\/www.jstor.org\/stable\/41972524<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">DiTomaso, J. et Kyser, G. 2016. Applications de brumisation en bordure de rive pour lutter contre les foyers naissants d'iris jaune (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\">). Invasive Plant Science and Management. 9 : 205-213. <\/span><a href=\"https:\/\/doi.org\/10.1614\/IPSM-D-16-00023.1\"><span data-contrast=\"none\">https:\/\/doi.org\/10.1614\/IPSM-D-16-00023.1<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">EDDMapS. 2025. <\/span><span data-contrast=\"auto\">Iris jaune p\u00e2le, iris faux-acore (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\">\u202fL.). [Consult\u00e9 le 25 mars 2025] <\/span><a href=\"https:\/\/www.eddmaps.org\/distribution\/usstate.cfm?sub=5853\/\"><span data-contrast=\"none\">https:\/\/www.eddmaps.org\/distribution\/usstate.cfm?sub=5853\/<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Gallego-Tevar, B., Grewall, B.J., Whitcraft, C.R., Futrell, J.C., Barcenas-Moreno, G. et Castillo, J.M. 2022. Impacts contrast\u00e9s de l'iris jaune (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\">) sur la diversit\u00e9 v\u00e9g\u00e9tale dans les zones humides tidales au sein de ses aires de r\u00e9partition d'origine et d'invasion. Diversity. 14 : 326. <\/span><a href=\"http:\/\/dx.doi.org\/10.1016\/S2095-3119(17)61831-8\"><span data-contrast=\"none\">http:\/\/dx.doi.org\/10.1016\/S2095-3119(17)61831-8<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Gaskin, J.F., Pokorny, M.L. et Mangold, J.M. 2016. Un cas inhabituel de dispersion des graines chez une esp\u00e8ce aquatique envahissante : l'iris jaune (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\">). Biological Invasions. 18 : 2067-2075. <\/span><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s10530-016-1151-0\"><span data-contrast=\"none\">https:\/\/link.springer.com\/article\/10.1007\/s10530-016-1151-0<\/span><\/a><span data-contrast=\"auto\"> <\/span><span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Jaca, T. 2013. <\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L. : une plante aquatique ornementale pr\u00e9sentant un potentiel envahissant en Afrique du Sud. South Africa Journal of Botany. 86 : 174. <\/span><a href=\"http:\/\/dx.doi.org\/10.1016\/j.sajb.2013.02.133\"><span data-contrast=\"none\">http:\/\/dx.doi.org\/10.1016\/j.sajb.2013.02.133<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Jacobs, J., Graves, M. et Mangold, J. 2010. \u00c9cologie et gestion du n\u00e9nuphar jaune (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L.). D\u00e9partement de l'Agriculture des \u00c9tats-Unis, Services de conservation des ressources naturelles. Note technique sur les esp\u00e8ces envahissantes n\u00b0 MT-28. <\/span><a href=\"https:\/\/citeseerx.ist.psu.edu\/document?repid=rep1&type=pdf&doi=106369cd1aa0425afb6afef877876dfa1ed183c2\"><span data-contrast=\"none\">https:\/\/citeseerx.ist.psu.edu\/document?repid=rep1&type=pdf&doi=106369cd1aa0425afb6afef877876dfa1ed183c2<\/span><\/a><span data-contrast=\"auto\"> <\/span><span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Morgan, V.H., Berent, L. et Fusaro, A., 2025. <\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L. : U.S. Geological Survey, base de donn\u00e9es sur les esp\u00e8ces aquatiques non indig\u00e8nes. [Consult\u00e9 le 24 mars 2025]. <\/span><a href=\"https:\/\/nas.er.usgs.gov\/queries\/greatlakes\/FactSheet.aspx?Species_ID=1115\"><span data-contrast=\"none\">https:\/\/nas.er.usgs.gov\/queries\/greatlakes\/FactSheet.aspx?Species_ID=1115<\/span><\/a><span data-contrast=\"auto\">  <\/span><span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Sutherland, W.J. 1990. <\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L. Journal of Ecology. <\/span><span data-contrast=\"auto\">78(3) : 833-848. <\/span><a href=\"https:\/\/doi.org\/10.2307\/2260902\"><span data-contrast=\"none\">https:\/\/doi.org\/10.2307\/2260902<\/span><\/a><span data-contrast=\"auto\">. <\/span> <span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Tarasoff, C., Streichert, K., Gardner, W., Heise, B., Church, J. et Pypker, T. 2016. \u00c9valuation de l'efficacit\u00e9 des barri\u00e8res benthiques par rapport \u00e0 la coupe agressive pour lutter contre l'iris jaune (<\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L.) : une \u00e9valuation comparative. Invasive Plant Science and Management. 9(3) : 229-234<\/span><span data-ccp-props=\"\"> <\/span><\/li>\n<li><span data-contrast=\"auto\">Tu, M. 2003. <\/span><span data-contrast=\"auto\">R\u00e9sum\u00e9 du programme de gestion des esp\u00e8ces pour <\/span><i><span data-contrast=\"auto\">Iris pseudacorus<\/span><\/i><span data-contrast=\"auto\"> L. The Nature Conservancy ; [consult\u00e9 le 24 mars 2025]. <\/span><a href=\"https:\/\/www.invasive.org\/gist\/esadocs\/documnts\/irispse.pdf\"><span data-contrast=\"none\">https:\/\/www.invasive.org\/gist\/esadocs\/documnts\/irispse.pdf<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"\"> <\/span><\/li>\n<\/ol>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;iris jaune (Iris pseudacorus) est une plante aquatique envahissante originaire d&rsquo;Eurasie et d&rsquo;Afrique du Nord, qui a \u00e9t\u00e9 introduite en Am\u00e9rique du Nord comme plante ornementale. R\u00e9put\u00e9e pour ses fleurs jaunes voyantes, elle pousse le long des berges ainsi que dans les zones humides, les \u00e9tangs, les ruisseaux et d&rsquo;autres habitats humides. <\/p>\n","protected":false},"author":8,"featured_media":8694,"parent":0,"template":"","meta":{"_acf_changed":false,"wds_primary_invasive-species-category":0},"invasive-species-category":[174],"class_list":["post-8686","profile","type-profile","status-publish","has-post-thumbnail","hentry","invasive-species-category-aquatic"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/profile\/8686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/profile"}],"about":[{"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/types\/profile"}],"author":[{"embeddable":true,"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/users\/8"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/media\/8694"}],"wp:attachment":[{"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/media?parent=8686"}],"wp:term":[{"taxonomy":"invasive-species-category","embeddable":true,"href":"https:\/\/www.invasivescanada.ca\/fr-ca\/wp-json\/wp\/v2\/invasive-species-category?post=8686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}