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Probably the majority of aquarium plants. It is easier to list the ones that can't be grown emersed. Vallisneria, Ceratophyllum, Najas, Eigeria, Elodea, Hydrotriche, most of the aquarium Aponogetons, Utricularia, Barclaya, Blyxa, Cabomba, Crinum?, Hydrilla, Lagarosiphon, some of the Myriophyllums, Otella, some of the Potamogetons, Zosterella.
 

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Jdinh04 said:
What kind of plants that can be emersed and grow in soil?
I'd say almost all. Some plants require more humidity in the emersed form than your everyday terrestrial plant. But some plants in the hobby are more commonly found growing outside in the wild than completely submersed. Lysimachia nummularia and L. numm. 'Aurea' are prolific groundcover in parts of the U.S. Lobelia cardinalis is a HUGE plant (poisonous, too!) that is commonly found in the mid-west with very bright-red flowers (hence the name). Crypts, yes, they are bog plants and require humidity in the air, but Jan Bastmeijer grows pretty much all of his many, many crypts in pots. I think that plants in this hobby that *cannot* be grown emersed in soil are more the exception than the rule. Even the mosses and liverworts. A little bit of care is needed in successfully transitioning the plants from submersed to emersed form, but there are a number of members here that do it all the time. I think if you scroll down on the list of forums, there's one specifically for emersed growth.

-Naomi
 

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gnome said:
Lobelia cardinalis is a HUGE plant (poisonous, too!) that is commonly found in the mid-west with very bright-red flowers (hence the name).

-Naomi
Darn, guess all those rosy barbs I have can handle the poison as they ate my Lobelias down to a nub, and still reproduce. Beautiful fish though, they also love Bylxa, stargrass and pretty much any expensive plant I put in thier tank.

As for the emmersed question, not much more can be said unless you want to know how to grow them emersed. You can find lots of plants, even hairgrass in the plant/pond sections at Lowes/HomeDepot. Check out the Plant Psychology and Emersed culture Forum to learn more specifics:)
 

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Gnome wrote:
Paul, do you still do pop bottle cultures?
Yes. There are only a few species where the plastic is really harmful. One of them is Hygrophila corymbosa, possibly other Hygrophilas. Another was Didiplis diandra. I have those two in glass jars, and they are doing much better. The others might be happier in glass, but at least, they are not dying. Glass would be better all around, but I have not had the time to convert.
 

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Just about everything you're going to find at the LFS or from a non-specialty aquatic plant retailer is going to be able to be grown emersed.

The reason for this is that most plants propagate a lot quicker when they're grown emersed, and thus are generally more profitable for the companies that grow them. You will also see stuff at your LFS that cannot be grown emersed but grows very fast submersed, like Cabomba and Ceratophyllum.

Generally most of the plants we grow are from tropical areas where there is a rainy season and a dry season. It is to their advantage to be able to grow both under water and out of it.
 
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