- C. B. Clarke 983
- Charles Baron Clarke 980
- Clarke C.B. 371
- Clarke, C.B. 203
- C.B.Clarke 122
- Clarke, C. B. (Coll. Barbey-Boissier) 8
- Herb. Boott 7
- Clarke, C. B. (Coll. G) 7
- Clarke,C.B. 7
- Clarke CB 4
- Ch Clarke 2
- -- Zollinger 2
- Clarke,C.B. 25552 1
- Clarke,C.B. & Atkinson,W.S. 10259 1
- Clarke,C.B. s.n. [1886-10-22] 1
- Clarke,C.B. & Atkinson,W.S. 24617 1
- Clarke,C.B. 25963 1
- Clarke,C.B. 31059 1
- Clarke,C.B. 26170 1
- Clarke,C.B. 25592 1
- Clarke,C.B. 9752 B 1
- Clarke,C.B. 41274 1
- Clarke,C.B. & Atkinson,W.S. 9796 1
- Clarke,C.B. 24598 23983, 24629 1
- Clarke,C.B. 33849 k 1
- Clarke,C.B. 33849 g 1
- Clarke, C. B. 1
- Clarke, CB 1
- Clarke,C.B. 14131 A 1
- Clarke,C.B. 34230 B 1
- Paul (Pablo) Günther Lorentz 1
- John Clayton 1
- E. Hall & J. Harbour 1
- N. Wallich 1
- ex herb. Jos. Woods 1
- ex Herb. John Donnell Smith 1
- Sir Everard Home 1
- A. Croall 1
- F. Boott 1
- Dickie 1
- Herb. Bromfield 1
- Clarke, Charles Baron FRS, FLS - Botanist 1
- James Sykes Gamble 1
- Henry John Elwes 1
- Robert Pantling, Charles Baron Clarke 1
- Clarke,C.B. & Royle 1
- Clarke,C.B. s.n. [s.d.] 1
- Clarke,C.B. 30440 1
- Clarke,C.B. 17449 A 1
- Clarke, C.B 1