Cesar amassed his tally during a hugely prolific 13-year period from 1942-1955, and his position as the club's all-time record holder has remained unchallenged since.
However, Messi's treble in Tuesday evening's La Liga fixture against Granada saw him move above the Spaniard in the standings, achieving the feat in just over seven years of first-team action.
The prolific Argentine has now struck an incredible 54 goals in 45 games this season, as the Catalan giants aimed to close in on Real Madrid at the top of the Primera Division.
It had been believed that Cesar's record had stood at 235 goals, but a recent study conducted by Barcelona’s Centre of Documentation and Studies, in conjunction with newspaper La Vanguardia, confirms that the legendary forward actually netted 232 strikes, and so his total has been reassessed.
|BARCELONA ALL-TIME TOP SCORERS LIST
|1.||Lionel Messi (Argentina)||2005-||234|
|2.||Cesar Rodriguez (Spain)
|3.||Ladislao Kubala (Hungary)
|4.||Josep Samitier (Spain)
|5.||Josep Escola (Spain)
|6.||Paulino Alcantara (Philippines)
|7.||Angel Arocha (Spain)
|8.||Samuel Eto'o (Cameroon)||2004-09||130|
|10.||Mariano Martin (Spain)||1940-48||124|