[MAIPC] Invasive plants and climate change
Judy Fulton
jfulton5 at gmail.com
Fri Feb 1 10:13:46 PST 2019
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 Baccharis
halimifolia is going to become a problem.
Judy
____________________________________________
Judith P. Fulton
EcoPlant Consulting: Native and Invasive Plants
Master Gardener, University of Maryland Extension
Chair, Maryland Invasive Species Council Subcommittee on Invasives Lists
Board, Mid-Atlantic Invasive Plant Council
410-337-3701
jfulton5 at gmail.com <mailto:jfulton5 at gmail.com>
On 2/1/2019 12:07 PM, MARGARET L CHATHAM wrote:
> 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.)
>
> Margaret
>
>> On Feb 1, 2019, at 11:42 AM, Stephen Hiltner <stevehiltner at gmail.com
>> <mailto:stevehiltner at gmail.com>> wrote:
>>
>> 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.
>>
>> 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.
>>
>> Go to Princeton battlefield, and it's hard to imagine porcelainberry
>> getting any worse--topiary on a massive scale.
>>
>> Steve
>> PrincetonNatureNotes.org <http://princetonnaturenotes.org/>
>>
>> On Fri, Feb 1, 2019 at 10:55 AM Liz Nalle <liznalle5 at gmail.com
>> <mailto:liznalle5 at gmail.com>> wrote:
>>
>> 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.
>>
>> Liz Nalle
>> Inland Bays Garden Center
>> Frankford DE
>>
>>> On Jan 31, 2019, at 9:36 PM, Jil Swearingen
>>> <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com>> wrote:
>>>
>>> All,
>>>
>>> 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.
>>>
>>> Thanks,
>>>
>>> Jil
>>>
>>>
>>>
>>> .......................
>>> Jil Swearingen
>>> Invasive Species Consultant
>>> /In the Weeds/
>>> 410-200-7085
>>>
>>>
>>>
>>>
>>> On Thu, Jan 31, 2019 at 9:22 PM James Remuzzi
>>> <james at sustainablesolutionsllc.net
>>> <mailto:james at sustainablesolutionsllc.net>> wrote:
>>>
>>> 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.
>>>
>>> JRR
>>>
>>> James R. Remuzzi
>>> Sustainable Solutions, LLC
>>> www.sustainablesolutionsllc.net
>>> <http://www.sustainablesolutionsllc.net/>
>>>
>>> On Jan 31, 2019, at 4:27 PM, frazmo <frazmo at gmail.com
>>> <mailto:frazmo at gmail.com>> wrote:
>>>
>>>> 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
>>>>
>>>> On Thu, Jan 31, 2019 at 10:10 AM Ossi, Damien (DOEE)
>>>> <damien.ossi at dc.gov <mailto:damien.ossi at dc.gov>> wrote:
>>>>
>>>> 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.
>>>>
>>>> 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?
>>>>
>>>> Thanks,
>>>>
>>>> Damien
>>>>
>>>> *Damien P. Ossi*
>>>>
>>>> Wildlife Biologist
>>>>
>>>> Fisheries and Wildlife Division
>>>>
>>>> Department of Energy & Environment
>>>>
>>>> Government of the District of Columbia
>>>>
>>>> 1200 First Street NE, 5th Floor
>>>>
>>>> Washington, DC 20002
>>>>
>>>> Desk: (202) 741-0840
>>>>
>>>> Web: doee.dc.gov <http://www.doee.dc.gov/>
>>>>
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