An interesting discussion on analysis of the Progressive Alliance and seats where the Greens Stepped aside?
Greens “standing down”: the effect on the Tory total in Parliament
Labour made 28 gains and Lib. Dems 5 from Tories on election day in England and Wales (they also had a few losses).
In these 33 gains from Tories , Greens fielded candidates in twenty-two constituencies. We stood aside in eleven. It appears that in only one seat : Oxford and Abingdon was the absence of a Green candidate extremely likely to have been decisive for a Tory loss. (There in 2015 the Green vote t...