Amoracia aquatica

Anyone out there growing Amoracia aquatica "Water Cress"?  It's a gorgeous
plant. If so, have you ever noticed baby plants developing on the leaves of
the parent in a similar fashion to Java Fern?  Mine does this consistantly.
 Currently I have one of these "babies" growing in another tank.  No where
have I been able to find reference to this being one of the methods of