Television match official Seamus Flannery confirmed the grounding and he was also involved in the awarding of flanker Stander's injury-time try, a powerful drive and stretch for the line.
Substitute Tidser went close to extending County's lead with a powerful drive, but one goal proved enough for Adams' side.
Perpignan put the squeeze on again with a powerful drive which led to Cuthbert being harshly penalised for a late tackle and Hook popped over another penalty.
The match at Tannadice looked to be heading for a draw when Erskine sent home a powerful drive to seal all three points.
Wolves looked on the floor and the home fans were heading for the exits in droves as Jarvis gave them hope by beating Bogdan with a powerful drive.
Stewart Downing saw a powerful drive blocked as he drove into the area, while Shelvey was a prominent figure.
At the other end, Vetokele had a goal ruled out for offside on 21 minutes before twice going close when he rounded Alex Smithies but was tackled by Wallace before seeing the keeper tip his powerful drive over for a corner.
Forest Green had also gone close when Al Bangura's powerful drive was palmed away for a corner by keeper Dan Lloyd-Weston, who also denied Marcus Kelly after Danny Wright had seen a low shot saved.
It took them 17 minutes to earn their first penalty, O'Connor forcing CJ Stander to hold on to the ball after a tackle, and, although their progress was delayed when a powerful scrum drive ended in a penalty for Munster, Telusa Veainu's thrust into midfield provided the position for the Leicester captain, Ed Slater, to lift himself into the air and over the line.
Liam Noble's powerful drive pulled one back for the hosts but the ex-Arsenal forward fired in his third to earn City their first three points since 9 March.
