<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I’d suggest another factor at work in the spread of groundsel tree (and Typha angustifolia): road salt. As the roadways become saltier, they offer better habitat for salt-tolerant plants. (And Ii see Miscanthus spread as primarily driven by planted seed sources — strictly anecdotal comment.)<div class=""><br class=""></div><div class="">Margaret<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Feb 1, 2019, at 11:42 AM, Stephen Hiltner <<a href="mailto:stevehiltner@gmail.com" class="">stevehiltner@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">I'll chime in with a few observations. The first invasive example of Miscanthus I saw many years back was in a field outside of Newport, Rhode Island during my one and only visit there. In NC at turn of the century it was only invasive on Mount Mitchell and some horticulturist of great stature, perhaps the one who wrote "the book" on shrubs/trees, said in a discussion at NC Bot Gardens that only one variety of Miscanthus was invasive. In recent years I've seen examples of invasion in NJ and PA along freeways.<div class=""><br class=""></div><div class="">Groundsel tree is one to look out for, as it spread from the NC coast up freeways into the piedmont and has become a serious invasive in the Durham, NC area, invading grasslands and lining freeway right of ways. Seen a few incidents in central NJ but not much yet.</div><div class=""><br class=""></div><div class="">Go to Princeton battlefield, and it's hard to imagine porcelainberry getting any worse--topiary on a massive scale.</div><div class=""><br class=""></div><div class="">Steve</div><div class=""><a href="http://princetonnaturenotes.org/" class="">PrincetonNatureNotes.org</a></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 1, 2019 at 10:55 AM Liz Nalle <<a href="mailto:liznalle5@gmail.com" class="">liznalle5@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" class="">Here in southern, coastal Delaware, Phragmites australis and Hydrilla verticillata are big problems. I’m not sure how much climate change has facilitated their spread, but they are from father south in Asia I believe.<div class=""><br class=""></div><div class="">Liz Nalle</div><div class="">Inland Bays Garden Center</div><div class="">Frankford DE<br class=""><div class=""><br class=""><blockquote type="cite" class=""><div class="">On Jan 31, 2019, at 9:36 PM, Jil Swearingen <<a href="mailto:jilswearingen@gmail.com" target="_blank" class="">jilswearingen@gmail.com</a>> wrote:</div><br class="gmail-m_-363393513379177317Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_default" style="font-size:small">All,</div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small">EDDMapS might be enlisted here to help. If one can do a query over time (e.g., 20-30 years) of invasive plant species occurring in the Southeast states that eventually start being reported in the mid-Atlantic in recent years, that would produce a list to start working with. Chuck Bargeron would be the obvious go-to person to run this query. I don't know how to do it with the tools available for users.</div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small">Thanks,</div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small">Jil</div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small"><br class=""></div><div class="gmail_default" style="font-size:small">.......................</div><div class=""><div dir="ltr" class="gmail-m_-363393513379177317gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div class="">Jil Swearingen</div><div class="">Invasive Species Consultant</div><div class=""><i class="">In the Weeds</i></div><div class="">410-200-7085</div><div class=""><br class=""></div><div class=""><br class=""></div></div></div></div></div></div></div></div></div></div></div></div></div><br class=""></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 31, 2019 at 9:22 PM James Remuzzi <<a href="mailto:james@sustainablesolutionsllc.net" target="_blank" class="">james@sustainablesolutionsllc.net</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto" class="">I would second the USDA work on CO2 re vines would add Mile a Minute to those species previously mentioned —vines: both invasive and native, have exploded in last 20 years and are having a devastating impact on Native Forests and Shrublands. <div class=""><br class=""><div id="gmail-m_-363393513379177317gmail-m_-500566927301392564AppleMailSignature" dir="ltr" class="">JRR<div class=""><br class=""></div><div class="">James R. Remuzzi</div><div class="">Sustainable Solutions, LLC</div><div class=""><a href="http://www.sustainablesolutionsllc.net/" target="_blank" class="">www.sustainablesolutionsllc.net</a></div></div><div dir="ltr" class=""><br class="">On Jan 31, 2019, at 4:27 PM, frazmo <<a href="mailto:frazmo@gmail.com" target="_blank" class="">frazmo@gmail.com</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" class=""><div dir="ltr" class=""><div dir="ltr" class="">Lewis Ziska with USDA has done interesting work about the worrying effects of rising CO2 levels on invasive vines (plus native Poison ivy). My sense is that Kudzu is gradually becoming worse in the northern mid-Atlantic as things warm. Colder temps used to hold back Hedera helix in our north but that obviously is changing. I'm sure there is a long list of southern invasives marching toward us now... Cheers, Steve Young, Arlington VA<br class=""></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 31, 2019 at 10:10 AM Ossi, Damien (DOEE) <<a href="mailto:damien.ossi@dc.gov" target="_blank" class="">damien.ossi@dc.gov</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="EN-US" class="">
<div class="gmail-m_-363393513379177317gmail-m_-500566927301392564gmail-m_-942661419995186456WordSection1"><p class="MsoNormal">Question: What, if any, invasive plant species appear to be spreading into the mid-Atlantic due to climate change? I know there’s been talk of southern magnolia and other species that are native to just south of here starting to naturalize
in our area, but I’m more interested exotic invasives. <u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">What invasive plants are common in southern Virginia or northern North Carolina that we just don’t have in our area, but could move here with warmer climates?<u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">Thanks,<u class=""></u><u class=""></u></p><p class="MsoNormal">Damien<u class=""></u><u class=""></u></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal"><b class=""><span style="font-size:10pt" class="">Damien P. Ossi<u class=""></u><u class=""></u></span></b></p><p class="MsoNormal"><span style="font-size:10pt" class="">Wildlife Biologist<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Fisheries and Wildlife Division<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Department of Energy & Environment<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Government of the District of Columbia<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">1200 First Street NE, 5th Floor<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Washington, DC 20002<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Desk: (202) 741-0840<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:10pt" class="">Web: <a href="http://www.doee.dc.gov/" target="_blank" class="">
<span style="color:blue" class="">doee.dc.gov</span></a><u class=""></u><u class=""></u></span></p><p class="MsoNormal"><u class=""></u> <u class=""></u></p>
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