Danert, Danert,, Danert,, and Danert, ?Kulturpflanze 4: 123. 1956.?, 1956.

Danert, Danert,, Danert,, Danert,, Danert,, and Danert, (B. ), ?Kulturpflanze 4: 125. 1956.?, 1956.

Danert, Danert,, Danert,, Danert,, Danert,, Danert,, Danert,, Danert,, and Danert, (A. ), ?Kulturpflanze 4: 126. 1956.?, 1956.

(B. ) Danert, Danert,, Danert,, Danert,, Danert,, Danert,, and Danert, ?Kulturpflanze 4: 124. 1956.?, 1956.

Vargas, ?Papas Sudper. 2: 53. 1956 ["1954"].?, 1956.

Hawkes, ?Rep. (Annual) Scott. Pl. Breed. Sta. 1956: 92. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 31. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 26. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 23. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 24. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 32, pls. III B, IV D. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 33. 1956.?, 1956.

(J. B. )& Hawkes, Hawkes, (B. ), Hawkes, (B. ), and Hawkes, (J. B. )&, ?Proc. Linn. Soc. Lond. 166: 130. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 41. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 15. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 25. 1956.?, 1956.

(B. ) Hawkes, ?Rep. (Annual) Scott. Pl. Breed. Sta.1956: 92. 1956.?, 1956.

Vargas and Vargas, ?Papas Sudper. 2: 54. 1956 ["1954"].?, 1956.

Vargas, ?Papas Sudper. 2: 55. 1956 ["1954"].?, 1956.

Vargas and Vargas, ?Papas Sudper. 2: 62. 1956 ["1954"].?, 1956.

Vargas and Vargas, ?Papas Sudper. 2: 56. 1956 ["1954"].?, 1956.

Vargas, ?Papas Sudper. 2: 61. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 20, pl. I(F), Figs. 1-8. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 16. 1956.?, 1956.

Vargas and Vargas, ?Papas Sudper. 2: 60. 1956 ["1954"].?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 36. 1956.?, 1956.

Amshoff, ?Rev. Soc. Cubana Bot. 13: 6. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 21. 1956.?, 1956.

(B. ) H. & Hjert. and Hawkes, (B. ), ?Rep. (Annual) Scott. Pl. Breed. Sta. 1956: 61. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 13, pl. I(C), Figs. 1-3. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 12. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 35. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 37. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 11. 1956.?, 1956.

Cárdenas, ?Bol. Soc. Peruana Bot. 5: 30. 1956.?, 1956.

(F. ) Shinners, ?Baileya 4: 82. 1956?, 1956.

Amshoff, ?Contr. Ocas. Mus. Hist. Nat. Colegio 'De La Salle' no. 15: 6. 1956?, 1956.