Party delegates placed Julie Anne Genter at No 3 and Davidson at No 4 in the provisional list, behind Turei and Shaw, but after the whole Green Party membership had voted, Davidson was placed ahead of Genter.
Davidson is from the social justice wing of the party and Genter is from the environmental wing.
The resignations occurred in the fallout from Turei's admission of telling lies to social welfare in the 199s in order to get more money on the dpb.
The party executive yesterday rejected a bid by Kennedy Graham, an international law specialist and climate change expert, to be reconsidered for the list after the resignation of Turei.
Shaw, who is a first-term MP and a former business consultant on sustainability with Pricewaterhouse Coopers in London before returning to New Zealand in 2010.