Pippa Hackett was one of three who took the motion against Hazel Chu.
Green Party TDs and Senators have deferred a motion of no confidence in party chairperson Hazel Chu.
It was brought by Offaly senator Pippa Hackett and two others after Dublin's Lord Mayor launched a bid for the Seanad as an independent.
Political commentator Johnny Fallon says it's further evidence of a split within the party:
HSE Bringing BreastCheck Screening Service To Laois
Pregnancy and Infant Loss Awareness Day To Be Marked In Offaly
Laois Senator And Family Left Shaken After Attempted Car Theft At Their Home
Westmeath Woman Recovering Well After Major US Cancer Operation
Midlands Councillors To Seek Extra Funding For Deteriorating Roads
Right To Be Forgotten Law Comes Into Effect For Cancer Survivors
Young People Retrace 165km Famine Walkway Journey To Commemorate Irish history
“Very poor” Repairs To Farm Equipment Key Factor In Fatal Injuries To Laois Man