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>Every other plant in my tank is on the right path and does not have holes and 
>plant leaves torn apart.  But this plant does.  I am thinking that the 
>unwanted snails in my tank might be a cause, can they do this much damage if 
>there is a lot of them.  Also Another suspect IM considering might be my rosy 
>barbs or black skirted tetras.  Its definitely not a nutrient disorder 
>because nothing can destroy a plant this much.  As soon as a new shoot or 
>leave is put forth its gone or its tips are munched on, but I don't know what 
>is doing it.
Alleopathy, might very well be  happening here. Can you rule out any animal
nibbling? Is there blackening of any parts of your plant?
How big is your tank? Do you do big water changes? In bigger tanks and/or
lots of water changes this condition/process is less likely to occur.
Stargrass doesn't like to be grown with Eichhornia speices like azurea and
diversifolia in small tanks(20 gallon in my case). There may be more plants
that it doesn't like to be around. There are about 200 or so species kept in
the USA and the possible combo's and variations are staggering and that's
only talking about if you have an ideal tank that never changes
conditions<g>. Most plants get along though(thankfully!).

Try playing around with removing a plant species and adding another in it's
place that you best guess might be bothering your Stargrass for instance.
The Eichhornia and the Stargrass are similar in color, leaf shapes, tendency
for blackening, and all are fast growers so I removed the stargrass to see
if the Eichhornia would do better. It did. Nothing else changed and after
several months of struggling to get these plant to grow together the only
thing that showed any hint at all was removing the Stargrass. Wham! The
Eichhornia took off. This happened in two different tanks with different
conditions. These are just observationals here............no hard
proof.......... but perhaps a cure<g>.
Tom Barr