- E. O. Wooton 9,323
- E.O. Wooton 817
- E. O. Wooton & P. C. Standley 707
- Wooton, E.O. 344
- Elmer O. Wooton 285
- Wooton EO 155
- E. O. Wooton; Paul Standley 132
- Wooton, E. O. 83
- Wooton, Elmer Otis 69
- E.O. Wooton; P.C. Standley 66
- Wooton, E O 27
- Elmer O. Wooton|Paul C. Standley 26
- Wooton,E.O. 18
- Wooton & Standley 14
- E. Wooton 14
- Wooton, EO 9
- E. O. Wooton & Standley 9
- E. O. Wooton & P. Standley 9
- Wooton, E. O. (Coll. Delessert 1899) 7
- Wooton, E O; Standley, Paul C 6
- Wooton, E. O.; Standley, Paul 5
- Wooton, E. O. (Coll. Barbey-Boissier) 5
- Elmer Ottis Wooton 5
- E.O. Wooton & P.C. Standley 5
- E. O. Wooton; Paul C. Standley 5
- Wooton, E. O. (Coll. Delessert) 4
- Wooton, E. O. (Coll. Boissier & Barbey-Boissier) 4
- Wooton EO; Standley PC 4
- E.O. WOOTON (S.N.) 4
- Wooton, E.O.; P. Standley 3
- Wooton; Standley 2
- Wooton, Elmer Otis; Standley, Paul Carpenter 2
- Wooton, E.; et al. 2
- EO Wooton 2
- E. O. Wooton; P. C. Standley 2
- Wooton, Elmer Ottis 1
- Wooton, Elmer Otis; Standley, Paul 1
- Wooton, Elmer Otis; Standley, P. C. 1
- Wooton, Elmer O. ; Standby, P. 1
- Wooton, Elmer O. 1
- Wooton, E.; Standley, Paul 1
- Wooton, E. O. (Coll. Boissier et Barbey-Boissier) 1
- Wooton, E. O. (Coll. Barbey- Boissier) 1
- Wooton, E. 1
- R. H. Peebles & E. O. Wooton 1
- Prof. E.O. Wooton 1
- P. C. Standley & E. O. Wooton 1
- Elmer O. Wooton & Paul Standley 1
- E.O.Wooton. 1
- E.O. Wooton. 1