[247Plants]

hydrocotyle sibthorpiodes and hydrocotyle sibthorpoides is the same as far as I know.

Check this link for leaf morphology

http://www.aquaticplantcentral.com/forumapc/general-aquarium-plants-discussions/36438-thought-this-might-help.html?highlight=thought+this

I can send you the High resolution Pic if you message me your email