P. Vidhyasekaran
P. Vidhyasekaran
P. Vidhyasekaran
P. Vidhyasekaran
Stephen Blackmore
Kate Herd
Taylor A. Steeves
Malik Zainul Abdin
Satoshi Tabata
Chunxian Chen
Antonio M. De Ron
Jiming Jiang
J. Perry Gustafson
Michael Halewood
N. I. Vavilov
Jules Janick
Marcelo Guerra Santos; Paulo César Ayres Fevereiro; Geisa L. Reis; Jorge Barcelos; Fátima Maria Ney
Fernando Valladares
M. Scherer-Lorenzen
Masaki Iwabuchi
L. M. S. Palni
Environmental Law Institute
Peter McHoy
Frank Renaud
Sharma, Satish Kumar.
Mauricio Ramia
Joanne Meil
United States. Science and Education
Marjorie G. Schmidt
William Sidney Boyle
United States. Plant Disease Survey
United States. Plant Disease Survey
Gurney Seed & Nursery Co
Nellie W. Nance
Fischer's Nursery
United States. Department of Agriculture
T. W. Woodhead
United States. Federal Horticultural Board
Germain Seed and Plant Company
Rensselaer W. Daniels
Maxwell Tylden Masters
John Quekett