[NatureNS] Frog Pond (Halifax) - Non-native Aquatic

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Date: Fri, 26 Dec 2014 11:27:40 -0400
From: Burkhard Plache <burkhardplache@gmail.com>
To: naturens@chebucto.ns.ca
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I am not too familiar with bladderwort.
The Frog Pond specimen has clearly
opposite leaves along the stalk, which
does not appear to be the case for bladderwort.
I will send a photo later tonight.
Burkhard



On Fri, Dec 26, 2014 at 11:04 AM, Nicholas Hill <fernhillns@gmail.com> wrote:
> Can you send an image of your aquatic?
> No reports of Cabomba here that I can see. Have you considered the
> bladderworts (e.g, purple bladderwort)?
> Nick
>
> On Thu, Dec 25, 2014 at 1:27 PM, Burkhard Plache
> <burkhardplache@gmail.com> wrote:
>> For a number of weeks now, I had noticed a heavy accumulation
>> of an aquatic herb at the shoreline of Frog Pond.
>> Initially I assumed it might be Ceratophyllum (hornwort) or
>> Myriophyllum (water milfoil), both reported from Nova Scotia.
>>
>> However, the plant has opposite leaves, which are fan-like,
>> finely divided. I am now certain it is a species of Cabomba,
>> most likely Cabomba caroliniana.
>>
>> The species is not native to NS, but used in aquariums.
>> Maybe this introduction was the result of an aquarium dump.
>> (Could have happened a few years back when a Gold Fish
>> or a Koi was seen in the pond.)
>>
>> In other regions of the world Cabomba is a problematic
>> invasive. Is it problematic here as well?
>> Have people seen this in other parts of Nova Scotia?
>>
>>
>> Wikipedia links to the species mentioned above:
>> https://en.wikipedia.org/wiki/Ceratophyllum
>> https://en.wikipedia.org/wiki/Myriophyllum
>> https://en.wikipedia.org/wiki/Cabomba_caroliniana

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