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aquatic invasive or not?


 
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sequoiamike
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 22 Sep 2009
Posts: 17
Location: Cloyne, Co. Cork

PostPosted: Fri Sep 15, 2017 12:19 pm    Post subject: aquatic invasive or not? Reply with quote

Hi, We were doing a cleanup along the river (Midleton, Co. Cork) and discovered that this plant covered a lot of the riverbank (in the water). Primarily where the flow wasn't strong. Can anyone identify it? (middle plant, pinnate leaves)


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Sue Deacon
Rank attained: Chlorophyll for blood


Joined: 31 Dec 2014
Posts: 1748
Location: West Fermanagh

PostPosted: Fri Sep 15, 2017 3:33 pm    Post subject: Reply with quote

At first glace it looks a bit like Solomon's seal. But it's leaves are not in pairs like that. Hope Silver Surfer is along soon, cos guys, I'm stumped! Confused

It looks like I am not the only one. Did a bit of a search and found the same plant with he same question - what is it? There were no answers.

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sequoiamike
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 22 Sep 2009
Posts: 17
Location: Cloyne, Co. Cork

PostPosted: Fri Sep 15, 2017 4:18 pm    Post subject: Reply with quote

Yes, it looks like something that should be recognisable, but it has us stumped too. And it is fairly prevalent along the riverside, so I thought I might be able to find it somewhere (irishwildflowers.ie, invasive species ireland, etc.), but to no avail! Confused
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Sue Deacon
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PostPosted: Fri Sep 15, 2017 5:27 pm    Post subject: Reply with quote

There is a creeping Jacob's Ladder that looks a bit like that. But what would it be doing growing wild?
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Silver surfer
Rank attained: Native hedgerow keeper


Joined: 25 Feb 2010
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Location: PERTHSHIRE. SCOTLAND. U.K.

PostPosted: Fri Sep 15, 2017 8:43 pm    Post subject: Reply with quote

Hmm!
Interesting.
Compare to Apium nodiflorum...fools watercress

http://www.terrain.net.nz/friends-of-te-henui-group/weeds-by-scientific-names/apium-nodiflorum-fools-water-cress-helosciadium-nodiflorum.html

Common in Ireland

https://www.brc.ac.uk/plantatlas/plant/apium-nodiflorum

http://www.habitas.org.uk/flora/species.asp?item=3666

http://www.wildfooduk.com/hedgerow-food-guide/fools-watercress-1-hedgerow/

See page 22 here..

http://evidence.environment-agency.gov.uk/FCERM/Libraries/FCERM_Project_Documents/sc120008_field_guide.sflb.ashx
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Sue Deacon
Rank attained: Chlorophyll for blood


Joined: 31 Dec 2014
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Location: West Fermanagh

PostPosted: Fri Sep 15, 2017 9:31 pm    Post subject: Reply with quote

It looks nothing like my watercress - but it fooled me! Laughing Never seen that before. You learn something new every day. That certainly looks like it.
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sequoiamike
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Joined: 22 Sep 2009
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Location: Cloyne, Co. Cork

PostPosted: Sat Sep 16, 2017 8:42 am    Post subject: Reply with quote

Well spotted Silver Surfer. With this info, I'll go back and investigate further. A relief to know that it does not seem to be detrimental and might actually be beneficial for habitat.
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Greengage
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Joined: 09 Nov 2011
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Location: Kildare

PostPosted: Mon Sep 18, 2017 6:37 am    Post subject: Reply with quote

http://www.wildflowersofireland.net/plant_detail.php?id_flower=393&wildflower=Fool
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