Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Plant ID needed. (http://www.tropicalfishkeeping.com/beginner-planted-aquarium/plant-id-needed-127694/)

Stoke88 02-03-2013 10:28 AM

Plant ID needed.
 
I purchased some shrimp off a fellow member and in the bag of moss and shrimp came this stem plant. To me it looks like a type of Hygrophila but I was told it may be a type of Ludwigia "ceylon"? I've looked and came up with nothing. If someone could help with the identification of this plant I'd really appreciate it. I'd like to be able to research it to see what the care requirements are.

http://i445.photobucket.com/albums/q...ps838a09a5.jpg

Byron 02-03-2013 12:15 PM

I'm fairly sure that is Hygrophila, likely Hygrophila polysperma. The leaf arrangement is the same. Check the profile. There is a "Ceylon" Hygrophila I've seen mentioned, no idea about it.

Still might be a Ludwigia, I won't say no; most aquatic plants can be quite variable according to their environment.

Stoke88 02-03-2013 12:25 PM

I just looked up Hygrophila ploysperma Ceylon and it came right up. It does indeed loom a lot like what I have. I also read its a noxious plant and is illegal to send this across state lines and/or own in some states. Is this really true?
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Byron 02-03-2013 12:38 PM

Quote:

Originally Posted by Stoke88 (Post 1417376)
I just looked up Hygrophila ploysperma Ceylon and it came right up. It does indeed loom a lot like what I have. I also read its a noxious plant and is illegal to send this across state lines and/or own in some states. Is this really true?
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Don't know, but quite possible. There are increasing numbers of our aquarium plants being prohibited. For example, the H. polysperma I mentioned initially is a prohibited plant in several states in the USA [see the profile]. The reason is that these plants get released into natural water ways, and depending upon the climate they can establish and kill off native species, and often this affects animal, fish and insect life in the chain.

redchigh 02-03-2013 11:36 PM

hygrophila polysperma (aka "Oriental ludwidgea" in the old days) is illegal to import or transport in most states. However, (as far as i know) there are no laws against owning it, since it is a widespread invasive species that can show up in natural and man-made waterways seemingly at random. (even a tiny nearly dried shred of leaf can regrow a whole plant if there is enough humidity.)

hygrophila corymbrosa is also illegal in the same way.


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