Sometimes with Hefes, they filter out the fermenting strain then bottle with a lager yeast or more flavour neutral strain of ale yeast, however according to this site
http://www.nada.kth.se/~alun/Beer/Bottle-Yeasts/ you may be OK. Having said that, a quick google search on "widner hefeweizen bottling strain" reveals some controversy
Good luck, will be interesting to see how it turns out.
PLAN, v.t. To bother about the best method of accomplishing an accidental result. - The Devil's Dictionary