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Index of Subjects Yes, this is Cabomba and not Ceratophyllum which is closest morphologically. Flora Michigan says: "A native of southeastern states from Texas to Florida northward, this species has become established as far north as New England and southern MI, perhaps escaped from cultivation." "This is our only aquatic vascular plant with opposite leaves (rarely whorled) much dissected leaves on distinct petioles (5-15 mm long on well developed leaves). The palmate pattern of dissection results in a characteristic fan shaped leaf." (Vos and Reznicek, 2012) Congratulations! You should put in a note to the Canadian Field Naturalist on the find, the conditions, maybe something on the water quality and any development near Frog Pond. And specimens to Acadia (Ruth Newell) and Museum (Marian Munroe). Also might send one to ACCDC (Sean Blaney). There is no note of this species in the ACCDC records for NS NB or PEI. Cool Nick On Fri, Dec 26, 2014 at 6:35 PM, Burkhard Plache <burkhardplache@gmail.com> wrote: > Here is a link to a few photos of the specimens floating in clear water: > https://www.dropbox.com/sh/5cqlzcbn93wayoh/AABLTH0_OET6amgcDO0bcvR8a?dl=0 > > 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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