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Hi all, For WV there is recent state record Arum collection from Pleasants Co.</div>
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I've also received images to ID from 1 or 2 more WV counties (near cultivation).</div>
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Populus nigra is vouchered from 5 WV counties, but no specimens this century.</div>
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<div>Donna Ford-Werntz, Ph.D.<br>
Service Professor/Herbarium Curator<br>
Biology Dept., Box 6057<br>
Life Sci. Bldg., 53 Campus Dr.<br>
West Virginia Univ.<br>
Morgantown, WV 26506<br>
304-293-0794; biology.wvu.edu</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> MAIPC <maipc-bounces@lists.maipc.org> on behalf of Servis, Robert <Robert.Servis@montgomeryparks.org><br>
<b>Sent:</b> Thursday, September 10, 2020 9:28 AM<br>
<b>To:</b> Meghan Noe Fellows <meginnv@yahoo.com>; maipc@lists.maipc.org <maipc@lists.maipc.org><br>
<b>Subject:</b> Re: [MAIPC] New invasive/waifs</font>
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<div class="PlainText">Hi Meghan,<br>
I am not aware of any black poplar but I'll ask the rest of our team to be sure. I wouldn’t be surprised if it is out there.
<br>
I do know that we are finding Italian Arum in several places within Parks here in Montgomery County (Bethesda and also Rock Creek Stream Valley, north of the MD/DC line.). I have noticed it near houses, but not necessarily always near property lines or "right
on the border". I've seen it in floodplains most often but also on hillsides occasionally.
<br>
Rock Creek National Park has had it for at least 15yrs or so, and at a time I know they were trying to manage it but that was years ago, not sure what their control efforts are currently, or what the status of the Arum is.
<br>
It is difficult to control once established and seems to spread fairly quickly, but I think spot foliar treatments can be effective.
<br>
I'm not sure how effective Manual removal is (pulling/digging), but it may be worth experimenting with a small area if you are dealing with it in sensitive situations where mechanical means may be more beneficial than herbicide applications. I believe it is
fairly deep rooted and may have a bulb or tuber that should be dug out if possible when doing manual removal.<br>
Certainly seed removal whenever possible (bagging and trashing) can help to slow the spread but I've heard that this species can potentially have irritating effects to the skin, so proper PPE should be considered for any hand work being done.
<br>
This species is definitely on my watch list. I will keep an eye out for Black Poplar also, thanks for letting us know. I'll see if we can get this on EddMaps too, I'll have to refresh myself on the Eddmaps data entry process. </div>
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Robert Servis<br>
Natural Resource Specialist- Vegetation Ecology Unit<br>
Maryland-National Capital Park & Planning Commission<br>
Park Planning and Stewardship division<br>
Robert.Servis@montgomeryparks.org<br>
( O ) 301-962-1343<br>
( C ) 301-875-2202<br>
-----Original Message-----<br>
From: MAIPC <maipc-bounces@lists.maipc.org> On Behalf Of Meghan Noe Fellows<br>
Sent: Wednesday, September 9, 2020 9:34 AM<br>
To: maipc@lists.maipc.org<br>
Subject: [MAIPC] New invasive/waifs<br>
<br>
[EXTERNAL EMAIL] Exercise caution when opening attachments, clicking links, or responding.<br>
Hello- we’ve been tracking a few species in the last few years but are wondering if they are on anyone else’s radar.<br>
1) Italian arum (Arum italicum). More easily seen in late winter/early spring, it would be great if folks could add their sightings to eddmaps. So far we’ve really only seen it within sight of houses, but it seems to be spreading<br>
<br>
2) black poplar (Populus nigra). We First noticed it a couple of years ago within a disturbed natural area, and have since seen it in two more locations. It would be great if folks could put occurrence data of this one in eddmaps too.<br>
Thanks!<br>
Meghan Fellows<br>
Sent from my iPhone<br>
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