The Left Vote has a list of Green and other left-of-Labour candidates standing in this year’s Newham mayoral and council elections:
Mayor:
Council:
- Boleyn: Ben Robinson (TUSC)
- East Ham Central: Helen Pattison (TUSC)
- East Ham North: Thennavan Keerthikan (TUSC); Rod Finlayson (Communist)
- East Ham South: Steve Hedley (TUSC)
- Forest Gate North: Jane Lithgow & Alan Cooper (both Green); Bob Severn (TUSC)
- Forest Gate South: Niall Mulholland (TUSC)
- Green Street East: Lois Austin (TUSC/SP)
- Green Street West: Mark Dunne (TUSC)
forestgatedotnet 
So mike law isn’t standing for mayor. A wise decision
I don’t know. It’s not an exhaustive list and there may turn out to be other candidates; I’ll update the post as I learn more.