marsh pennywort Hydrocotyle_vulgaris taking over swale

hi in our backyard we have a lot of marsh pennywort Hydrocotyle_vulgaris taking over mixed with the infamous kikuyu grass and it is also taking over a swale i made in our backyard is it of benefit or will it eventually choke out the fruit trees on the swale? i doubt it could be gotten rid of anyway as it grow by underground rhizomes. has anyone dealt with this plant and seen the long term effects? i also have clover on the swale burm as well that i sowed myself after making the burm.

thanks myles

Eat it?

http://www.eattheweeds.com/a-pennywort-for-your-thoughts-2/

http://www.foragingtexas.com/2006/03/dollarweed.html

Don't know if you have thought of this but see if its edible!!!