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<p><font face="Helvetica, Arial, sans-serif">Yes, I am really seeing
Miscanthus sinensis spreading throughout Baltimore County and
other areas in Maryland. I think that it is further along the
invasive curve than black fountain grass (</font><font
face="Helvetica, Arial, sans-serif"><font face="Helvetica,
Arial, sans-serif">Cenchrus purpurascens aka Pennisetum
alopecuroides)</font>, but I am now seeing C. purpurascens
starting to spread in the wild. I believe that we need to pay
attention right away to this new invader, its cultivars and
closely related species, including purple fountain grass
(Cenchrus setaceus aka Pennisetum setaceum).<br>
<br>
Judy</font></p>
<div class="moz-signature">____________________________________________<br>
<br>
Judith P. Fulton<br>
EcoPlant Consulting: Native and Invasive Plants<br>
Master Gardener, University of Maryland Extension<br>
Chair, Maryland Invasive Species Council Subcommittee on Invasives
Lists<br>
Board, Mid-Atlantic Invasive Plant Council<br>
410-337-3701<br>
<a href="mailto:jfulton5@gmail.com" target="_blank">jfulton5@gmail.com</a><br>
<br>
</div>
<div class="moz-cite-prefix">On 2/1/2019 1:43 PM, Liz Nalle wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAMX=A4uDsoLG5BMUthOW5c=meaSC8atZ65v3rUsUrQjvqaP==A@mail.gmail.com">
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<div>
<div dir="auto">Miscanthus and Pennisetum are both problems in
coastal Delaware but I would add that they spread primarily
from being planted, then the seeds are wind blown. Regarding
Phrag, some areas here have given up on eradication, and are
now concentrating on managing it, if that’s even possible. We
are very prone to flooding, though, so with sea level rise
which we are living, it will be interesting to see it move as
it doesn’t tolerate standing water. </div>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">Excellent point about Baccharis spreading due to
road salt! I see it in many more places recently. </div>
<div dir="auto"><br>
</div>
<div dir="auto">Liz</div>
<div><br>
<div class="gmail_quote">
<div dir="ltr">On Fri, Feb 1, 2019 at 1:14 PM Judy Fulton <<a
href="mailto:jfulton5@gmail.com" moz-do-not-send="true">jfulton5@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p><font face="Helvetica, Arial, sans-serif">When people
mention groundsel tree, I'm assuming that they are
referring to Baccharis halimifolia. This species is a
native to the Coastal Plain ecoregions throughout the
mid-Atlantic, but it is becoming adventive in the
Piedmont and various mountain ecoregions. I agree with
Margaret Chatham that a likely reason for this
movement is salt tolerance -- I see the plant fairly
frequently in the difficult strip next to highways
that have been treated with salt. So, I'm not sure
that </font><font face="Helvetica, Arial, sans-serif"><font
face="Helvetica, Arial, sans-serif">Baccharis
halimifolia is going to become a problem.</font><br>
<br>
Judy</font><br>
</p>
<div class="m_2895971027535984572moz-signature">____________________________________________<br>
<br>
Judith P. Fulton<br>
EcoPlant Consulting: Native and Invasive Plants<br>
Master Gardener, University of Maryland Extension<br>
Chair, Maryland Invasive Species Council Subcommittee on
Invasives Lists<br>
Board, Mid-Atlantic Invasive Plant Council<br>
410-337-3701<br>
<a href="mailto:jfulton5@gmail.com" target="_blank"
moz-do-not-send="true">jfulton5@gmail.com</a><br>
<br>
</div>
</div>
<div text="#000000" bgcolor="#FFFFFF">
<div class="m_2895971027535984572moz-cite-prefix">On
2/1/2019 12:07 PM, MARGARET L CHATHAM wrote:<br>
</div>
<blockquote type="cite"> 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><br>
</div>
<div>Margaret<br>
<div><br>
<blockquote type="cite">
<div>On Feb 1, 2019, at 11:42 AM, Stephen Hiltner
<<a href="mailto:stevehiltner@gmail.com"
target="_blank" moz-do-not-send="true">stevehiltner@gmail.com</a>>
wrote:</div>
<br
class="m_2895971027535984572Apple-interchange-newline">
<div>
<div dir="ltr">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><br>
</div>
<div>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><br>
</div>
<div>Go to Princeton battlefield, and it's
hard to imagine porcelainberry getting any
worse--topiary on a massive scale.</div>
<div><br>
</div>
<div>Steve</div>
<div><a
href="http://princetonnaturenotes.org/"
target="_blank" moz-do-not-send="true">PrincetonNatureNotes.org</a></div>
</div>
<br>
<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"
target="_blank" moz-do-not-send="true">liznalle5@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div>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><br>
</div>
<div>Liz Nalle</div>
<div>Inland Bays Garden Center</div>
<div>Frankford DE<br>
<div><br>
<blockquote type="cite">
<div>On Jan 31, 2019, at 9:36 PM,
Jil Swearingen <<a
href="mailto:jilswearingen@gmail.com"
target="_blank"
moz-do-not-send="true">jilswearingen@gmail.com</a>>
wrote:</div>
<br
class="m_2895971027535984572gmail-m_-363393513379177317Apple-interchange-newline">
<div>
<div dir="ltr">
<div class="gmail_default"
style="font-size:small">All,</div>
<div class="gmail_default"
style="font-size:small"><br>
</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>
</div>
<div class="gmail_default"
style="font-size:small">Thanks,</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small">Jil</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small"><br>
</div>
<div class="gmail_default"
style="font-size:small">.......................</div>
<div>
<div dir="ltr"
class="m_2895971027535984572gmail-m_-363393513379177317gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div>Jil
Swearingen</div>
<div>Invasive
Species
Consultant</div>
<div><i>In the
Weeds</i></div>
<div>410-200-7085</div>
<div><br>
</div>
<div><br>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
<br>
<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"
moz-do-not-send="true">james@sustainablesolutionsllc.net</a>>
wrote:<br>
</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">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><br>
<div
id="m_2895971027535984572gmail-m_-363393513379177317gmail-m_-500566927301392564AppleMailSignature"
dir="ltr">JRR
<div><br>
</div>
<div>James R. Remuzzi</div>
<div>Sustainable
Solutions, LLC</div>
<div><a
href="http://www.sustainablesolutionsllc.net/"
target="_blank"
moz-do-not-send="true">www.sustainablesolutionsllc.net</a></div>
</div>
<div dir="ltr"><br>
On Jan 31, 2019, at 4:27
PM, frazmo <<a
href="mailto:frazmo@gmail.com"
target="_blank"
moz-do-not-send="true">frazmo@gmail.com</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">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>
</div>
<br>
<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" moz-do-not-send="true">damien.ossi@dc.gov</a>>
wrote:<br>
</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">
<div
class="m_2895971027535984572gmail-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. </p>
<p
class="MsoNormal"> </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?</p>
<p
class="MsoNormal"> </p>
<p
class="MsoNormal">Thanks,</p>
<p
class="MsoNormal">Damien</p>
<p
class="MsoNormal"> </p>
<p
class="MsoNormal"><b><span
style="font-size:10pt">Damien P. Ossi</span></b></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Wildlife Biologist</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Fisheries and Wildlife Division</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Department of Energy & Environment</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Government of the District of Columbia</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">1200 First Street NE, 5th Floor</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Washington, DC 20002</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Desk: (202) 741-0840</span></p>
<p
class="MsoNormal"><span
style="font-size:10pt">Web: <a href="http://www.doee.dc.gov/"
target="_blank"
moz-do-not-send="true"> <span style="color:blue">doee.dc.gov</span></a></span></p>
<p
class="MsoNormal"> </p>
</div>
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