Contributers from 2006
Addison, Betty Ann, USA zone 4 599 - 602
Andersen, Henning, Denmark: 453 - 461
Bent Erneberg Sikkim Expedition 453 - 461
Barlup, Jim, USA zone 8 415 - 437
Berg, Harold J., USA   58
Berg, Warren, USA 269
Bernady, Karel, USA 740 - 752
Beutler, Jean , USA 613 - 618
Birck, Jens C., Denmark, zone 6    8 -   15
Blansit, Nolan USA   81 - 238
Brack, Werner, USA, zone  7   24  -  28
Brack, Werner, USA, zone 7, additional 724
Clyburn, Bruce,  Canada  69  -  70
Cordy, Earl,  USA  76  -  80
Cox, Kenneth, Scotland 730 - 739
Craven, Rich,  USA  35  -   42
Cullip, Fred, USA, zone  6   43 -   57
Daly, Ann, USA zone 8 728 - 729
Doi, Yasuyuki, Japan 559 - 566
Doppel, John USA 239 - 243
Eiberg, Hans, Denmark, autumn 2005 645 - 647
Bent Erneberg, DK Expedition to Sikkim 645 - 647
Firak, Gerald R., USA 374 - 375
Furman, Bob, USA zone 7 452
Gehnrich, Herman C. (Bud), USA zone 7 620 - 621
Gilkey, Russell, USA zone 6b 465 - 466
Gilmore, Lloyd, Canada 463 - 464
Glassman, Allan, USA 376
Gustafson, Richard H., USA zone 6 712 - 723
Hammarlund, Kenny, Sweden zone 5 - 6 270 - 280
Hansen, Jes, Denmark 567 - 568
Hartman, Rosemary D., USA 583 - 598
Harvey, Joe, Canada 705 - 711
Helm, Hank, USA 450 - 451
Hooper, Jeff, USA, zone  5a-b   71 -  75
Ishizaki, Toyoji, Japan 467 - 469
Jacobsen, Ole Rolf,  Denmark 377 - 378
Kepert, Alan, Australia    1   -  7
Australian Rhododendron Society (Victoria  Branch)
Kline, Howard R., USA zone 6 631 - 644
Konrad, Dr. Mark G., USA, zone 6   16  -  23
Larsen, Ole Jonny,  Norway  59  -  68
Lehmann, Carl Adam,  Denmark 462
Leijdens, Theo The Netherlands 244 - 249
McCullough, Mike, USA zone 9a - b 474 - 558
McCullough, Mike, USA zone 9a - b, additional 619
McCullough, Mike, USA zone 9a - b, additional II 656
Milner, Tom, USA 753 - 754
Murcott, Richard, USA, zone 7 702
Ohazama,  Hideaki, Japan 471 - 473
Oliver, Mike,  USA 440 - 449
Perkins, Sally and John, USA zone 6a 281 - 373
Perkins, Sally and John, USA zone 6a, additional 603 - 612
Ringdahl, Bosse,  Sweden   29  -  34
Sadoski, Joseph. USA 470
Shirven, Maynard, USA zone  7 438 - 439
Sinclair, June USA  251 - 268
Sinclair, June, USA, additional 622 - 625
Staune, Claus J.,  Denmark 379 - 380
Svensson, Johnny, Sweden 703 - 704
Theqvist, Kristian, Finland, zone 5a 397 - 407
Thurber, Frederick & Amy, USA 250
Vestergaard, Per Houbak, Denmark 569 - 582
Walton, Patricia J., USA, zone 6 657 - 701
Weagle, John, Canada zone 6 626 - 630
Weinz, Barbara D., USA zone 4 - 5 648 - 655
Woodard, George, USA zone  7 381 - 396
Yoshimura, Eizi,  Japan (JRS Seed Exchange) 408 - 414
Zimmermann, Robert, USA zone 8 725 - 727
                           
Contributers expeditions
Andersen, Henning --Denmark
Davidson, Barry --Australia
Dethero, David L.--USA
Eiberg, Hans --Denmark
Jacobsen, Kenn --Denmark
Johnston, Ivan --Australia
Kratz, Heinz --Germany
Tomastik, Edmond --USA
Van Oost, Hendrik --Belgium
Veile, Jens O.--Denmark
Vinther, Lilli & Boege --Denmark
Wetzel, Barbara D.--USA
Barnard, Robert--Maple Leaf Nursery, USA
Ehret, William W. USA
Ashford, Jason --USA
Brooks, Walter Jr. --USA
Bean, Timothy W.--USA
MacIntyre, Robert C. --USA
Webb, Ken --Canada
Hardy, Joan --USA
Whittaker, Patti -USA
McCarter, Jackson Howard --USA
Thurber, Amy --USA
Peterson, Gregory --USA
Weiskittel, Harry --Marshy Point Nursery, USA
Korwan, Elaine USA