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 Post subject: Invasive Plant ?
PostPosted: September 15th, 2018, 1:09 pm 
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Joined: September 25th, 2006, 2:56 pm
Posts: 150
Location: Gravenhurst
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I've been trying to identify this aquatic plant which seems to be taking hold of the bogs all through Simcoe, Muskoka, Parry Sound and beyond. It's vines are strong, and often cross narrow waterways making them difficult to navigate through. Anyone know what this plant is?


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 Post subject: Re: Invasive Plant ?
PostPosted: September 16th, 2018, 11:46 am 
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Joined: December 29th, 2002, 7:00 pm
Posts: 5923
Location: Bancroft, Ontario Canada
Looks like red-stemmed parrot feather Myriophyllum aquaticum... the red-stemmed variety is sold for aquariums, the red stems add some color. Quickie Google shows it's only been reported from Midhurst and then eradicated, but the red stems aren't mentioned in the link below. This should be reported after a more certain ID since in spite of the eradication, it may have spread further, or maybe somebody dumped aquarium water into the area, letting it get established again.

http://www.invadingspecies.com/parrot-feather/

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 Post subject: Re: Invasive Plant ?
PostPosted: September 17th, 2018, 6:05 am 
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Joined: January 26th, 2006, 12:49 pm
Posts: 339
Location: Ontario
Try the iNaturalist app! It tells me it is either swamp loosestrife or fireweed. Both native. iNaturalist is not always correct but then other people chime in and agree or disagree with the ID. There is also a web based version.

inaturalist.ca


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