Gordon's Arkansas Cavalry: Col Anderson Gordon Which I belive is the Gordon's 4th/9th Arkansas Cav
Hill's Arkansas Cavalry Battalion: Col John F. Hill Which I believe is the 7th Arkansas Cav
Monroe's Arkansas Cavalry: Col James C. Monroe Which I belive is Monroe's 1st/6th/4th Arkansas Cav
Morgan's Arkansas Cavalry: Col Thomas J. Morgan Which I belive is Morgan's 5th/2nd Arkansas Cav
Dobbin's Arkansas Cavalry: Col Archibald S. Dobbin Which I belive is Dobbin's 1st Arkansas Cav
McGhee's Arkansas Cavalry: Col James H. McGee (w Oct. 23), Ltc Jesse S. Grider Which I believe is the 29th Arkansas Cavalry Regiment
Witt's Arkansas Cavalry: Col A. R. Witt Which I believe is Witt's 10th Arkansas Cav
Crawford's Arkansas Cavalry: Col William A. Crawford Which I believe is Crawfords 1st/10th Arkansas Cav
Wright's Arkansas Cavalry: Col John C. Wright Which I belive is Wright's 12th Arkansas Cavalry Regiment
Lyle's Arkansas Cavalry: Col Oliver P. Lyle Which I belive is 30th/39th Arkansas Infantry Regiment (Mounted)
Rogan's Arkansas Cavalry: Col James W. Rogan Which I belive is 23rd Arkansas Infantry Regiment (Mounted)
Gunter's Arkansas Cavalry Battalion: Ltc Thomas M. Gunter Which I belive is the 3rd Arkansas Battalion
Harrell's Arkansas Cavalry Battalion: Ltc John M. Harrell Which I belive is the 17th Arkansas Battalion
Witherspoon's Arkansas Cavalry Battalion: Maj J. L. Witherspoon Which I belive is the 16th Arkansas Cavalry Battalion

That seems to leave the following unit for which I have no numerical designation:

Anderson's Arkansas Cavalry Battalion: Cpt William L. Anderson
Carlton's Arkansas Cavalry: Col Charles H. Carlton