B737 FLC BOTH PULL OUT THE WRONG SID AND FAIL TO MAKE A TURN AT 3 DME.

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DEPARTING RNO WE WERE CLRED VIA THE MUSTANG 4 DEP AS FILED. I VERIFIED HOW WE WERE FILED BY REVIEWING IN OUR FOM WHERE IT IS SHOWN AS FOLLOWS: FMG4.FMG J7 BOI. I DO NOT FLY INTO RNO WITH MUCH REGULARITY; BUT I DID REMEMBER TO LOOK VERY CLOSELY AT THE CORRECT RWY AND WX REQUIREMENTS IN MY COMMERCIAL CHART SID SELECTION SO WHEN I FOUND THE (RENO2.FMG) RWY 16L/R; I CORRELATED FMG4 AND 2FMG AND SOMEHOW DID NOT READ 'RENO 2 DEP.' THE CAPT INDEPENDENTLY PICKED OUT THE SAME INCORRECT DEP; SO WHEN WE BRIEFED THE DEP; THE MISTAKE WAS NOT NOTICED. AFTER A NORMAL DEP THE CTLR ASKED US IF WE WERE IN THE L-HAND TURN. I REVIEWED OUR SELECTED SID AND SAW NO TURN. THE CTLR GAVE US AN ASSIGNED HDG BACK ON COURSE AND WE CONTINUED UNEVENTFULLY. THERE WAS NO LOSS OF TFC SEPARATION OR TERRAIN SEPARATION; LATER VERIFIED BY THE CAPT WHEN HE CALLED THE CTLR FROM BOI. I BELIEVE THAT THE LARGE NUMBER OF SIMILAR CHOICES FOR SIDS IN RNO WAS A CONTRIBUTING FACTOR IN ADDITION TO SIMILAR APPEARING NAMES. OBVIOUSLY I WILL TAKE EVEN MORE TIME TO VERIFY EVERY WORD WRITTEN ON SIDS AND STARS IN THE FUTURE. IF THERE MUST BE SUCH A LARGE NUMBER OF SIDS OR STARS AT A PARTICULAR ARPT MAYBE THEY COULD BE NAMED BY LETTER OR NUMBER OR NAMED BY THEIR RESPECTIVE PAGE NUMBER. CURRENTLY IT IS TOO EASY TO XREF THE IDENT AND THE NAME OF THE DEP. 2.FMG VERSUS FMG.4 SUPPLEMENTAL INFO FROM ACN 357879: THE PROCS IN RNO ARE COMPLICATED TO BEGIN WITH; TO HAVE ALL OF THE SIDS LOOK AND BE LABELED SIMILAR IS LUDICROUS! THE SIDS NAMES AND HDGS MUST BE CHANGED.