1.0Hadwen Arboretumhttps://www.clarku.edu/hadwen-arboretumCarol D'Onofriohttps://www.clarku.edu/hadwen-arboretum/author/cdonofrio-s/rich600338<blockquote class="wp-embedded-content" data-secret="FGB9hTLk97"><a href="https://www.clarku.edu/hadwen-arboretum/trees/norway-maple/">Norway Maple</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.clarku.edu/hadwen-arboretum/trees/norway-maple/embed/#?secret=FGB9hTLk97" width="600" height="338" title="“Norway Maple” — Hadwen Arboretum" data-secret="FGB9hTLk97" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.clarku.edu/hadwen-arboretum/wp-includes/js/wp-embed.min.js </script> https://www.clarku.edu/hadwen-arboretum/wp-content/uploads/sites/97/norway-maple-leaf.jpg900600Acer platanoides Introduced to North America in the mid-1700s, the Norway maple is now considered an invasive species in New England, the Great Lakes, and the Pacific Northwest. It is thought that combined with rapid seed dispersal, the tree releases toxins into the soil that inhibit the growth of other plants. Location Due to their […]