Ludwigia super red and rotala come to mind.
[/QUOTwhich would you do?
With lot of light, not ferts and no CO2 in a gravel capped dirt substrate my Super red ludwigia is growing like crazy. Faster than my hornwort, money wort, etc. I think I am going to have to remove some of it from my tank as it is too think after being in there for less than a month.Ludwigia super red and rotala come to mind.