Planted Tank Guru
Join Date: Dec 2012
Location: Hot Springs Ar. 71901
Looks as though it can be a regular Ludwigia Repens.
They can be bright red under the conditions in your tank(HL+CO2).
But don't take my word on this unless other also think that is what kind of plant it is.
The shortest distance between any two points is a straight line...in the opposite direction...