- W. & J. Birkenhead.
- W. & T. Smith Company,
- W. & T. Smith Company.
- W. A. Bents Nurseries,
- W. A. Dana (Firm)
- W. A. Denison (Firm)
- W. A. Feather and Sons.
- W. A. Glasson (Firm)
- W. A. Harrison (Firm)
- W. A. Manda (Firm)
- W. A. Natorp Co.
- W. A. Payne (Firm),
- W. A. T. Stratton (Firm)
- W. A. Watson & Co.
- W. and J. Innys.
- W. Atlee Burpee Company.
- W. B. Davis Company.
- W. Bone & Son
- W. Bowyer and J. Nichols (London, England),
- W. Bulmer and Co.,
- W. C. Cook & Co.
- W. C. Hill (Firm)
- W. C. Jones (Firm)
- W. C. Lufkin (Firm)
- W. C. Mathews (Firm),
- W. C. McCollom (Firm)
- W. C. Thompson and Sons.
- W. C. Zimmer & Sons.
- W. D. Beatie (Firm)
- W. D. Boynton (Firm)
- W. D. Hathaway (Firm)
- W. Dexter Brownell, Jr. (Firm)
- W. Drummond and Sons.
- W. E. Boschen (Firm)
- W. E. Galeener & Sons.
- W. E. Giddens Farm
- W. E. Jones & Son.
- W. E. Jones Co.
- W. E. Kirchhoff Co.
- W. E. Kirschhoff (Firm)
- W. E. Marshall (Firm)
- W. E. Olmsted (Firm)
- W. E. Trimble Greenhouse Co.
- W. Endicott & Co.
- W. Endicott & Co.
- W. Endicott & Co.,
- W. F. Shearer (Firm)
- W. G. Gomersall (Firm)
- W. G. Nyce (Firm)
- W. G. O'Brien and Son.
- W. G. Starrett (Firm)
- W. Grossmann & Son.
- W. H. Boeker and Son.
- W. H. Eddy (Firm)
- W. H. Kingsley (Firm)
- W. H. May & Son.
- W. H. Oliver & J. F. Cordes (Firm)
- W. H. Small & Co.
- W. H. Wyman & Son.
- W. Heffer & Sons,
- W. J. and J. Richardson (Firm)
- W. J. Busch (Firm)
- W. J. Engle & Son.
- W. J. Hesser (Firm)
- W. J. Pettee (Firm)
- W. J. Warner Gladiolus Gardens
- W. Junk (Firm)
- W. K. Hull (Firm)
- W. K. Nelson (Firm)
- W. L. Graves & Co.,
- W. L. Lux & Son.
- W. L. McKay & Co.
- W. L. Smith (Firm)
- W. L. W. Darnell (Firm)
- W. M. Peters & Sons (Firm)
- W. M. Wirt (Firm)
- W. N. Scarff (Firm)
- W. O. Creager (Firm)
- W. P. Rupert & Sons.
- W. P. Williams (Firm)
- W. R. Gray (Nursery : Oakton, Va.)
- W. R. Le Gron (Firm)
- W. R. Strausser (Firm)
- W. R. Strong & Co.
- W. R. Strong Company
- W. S. Snyder (Firm)
- W. S. Sullivant Estate
- W. T. Gough & Son.
- W. Thurston Gibbs (Firm)
- W. W. Boyer Firm)
- W. W. Fisher (Firm)
- W. W. Hunt & Co.
- W. W. Rike (Firm
- W. W. Wallace & Sons.
- W. Y. C. Grant (Firm)
- W., N.
- W., R O
- W., Review By: D R
- W.A. Bridwell (Firm)
- W.A. Constable, Ltd.
- W.A. Cox Nursery Company.
- W.A. Dana (Firm)
- W.A. Denison Seed Co.
- W.A. Denison Seed Company.
- W.A. Easterly (Firm)
- W.A. Lee (Firm)
- W.A. Manda (Firm)
- W.A. Manda, Inc.
- W.A. Natorp Company.
- W.A. Reiman & Son.
- W.A. Sisson (Firm)
- W.A. Tillinghast (Firm)
- W.A. Toole (Firm)
- W.A. Toole (Firm),
- W.A. Yates (Firm)
- W.B. Clarke & Carruth,
- W.B. Clarke & Co. (San Jose, Calif.)
- W.B. Clarke & Son.
- W.B. Clarke (Firm)
- W.B. Cole (Firm)
- W.B. Longstreth (Firm)
- W.B. Lundy Nursery.
- W.B. Mallory & Sons Co.
- W.B. Paterson (Firm)
- W.B. Shaw (Firm)
- W.B. Shaw Aquatic Gardens
- W.B. Whittier & Co.
- W.B. Whittier & Company.
- W.B.K. Johnson (Firm)
- W.C. Cory (Firm)
- W.C. Coup & Reiche Bros.
- W.C. Franklin Tulip Farm.
- W.C. Frazier (Firm)
- W.C. Griffing (Firm)
- W.C. Hampton (Firm)
- W.C. Pressing Seed Company.
- W.C. Reed & Son
- W.C. Reed & Son.
- W.C. Reed (Firm)
- W.C. Schmutzler (Firm)
- W.C. Slate (Firm)
- W.C. Strong (Firm)
- W.D. Beatie (Firm)
- W.D. Burt Co.
- W.D. Hathaway (Firm)
- W.D. Plough (Firm)
- W.D. Sydnor (Firm)
- W.D. Wise Seed Company.
- W.E. Barrett & Co.
- W.E. Barrett Co.
- W.E. Barrett Co..
- W.E. Barrett Company.
- W.E. Benning (Firm)
- W.E. Collins Company.
- W.E. Congdon (Firm)
- W.E. Dallwig (Firm)
- W.E. Galeener & Sons.
- W.E. Jones & Son.
- W.E. King (Firm)
- W.E. Kirchhoff (Firm)
- W.E. Kirchhoff Co.
- W.E. Kirchhoff, Jr. (Firm)
- W.E. Kirchhoff, Sr. (Firm)
- W.E. Lankford (Firm)
- W.E. Longley (Firm)
- W.E. Marshall & Co.
- W.E. McElderry (Firm)
- W.E. Metcalf & Sons.
- W.E. Morton & Co.
- W.E. Sherbrooke (Firm)
- W.E. Spafford (Firm)
- W.E. Trimble Greenhouse Co.
- W.E. Trimble Greenhouse Co.,
- W.F. Allen Company (Salisbury, Md.)
- W.F. Brown (Firm)
- W.F. Brown Dahlia and Gladioli Farm.
- W.F. Brown Dahlia Farm.
- W.F. Cobb Co.
- W.F. Pitts Seed & Nursery Company.
- W.F. Pitts Seed and Nursery Company.
- W.F. Schmeiske (Firm)
- W.F. Schmeiske (Firm),
- W.F. Sedgwick, Limited,
- W.F. Tindall (Firm)
- W.F. Wiggins & Co.
- W.F. Wiggins (Firm)
- W.G. DuMont (Firm)
- W.G. Farrier Plant Company.
- W.G. Watkins (Firm)
- W.H. Barrett (Firm)
- W.H. Bofferding (Firm)
- W.H. Bofferding Company.
- W.H. Crawford and Company.
- W.H. Culp & Co.
- W.H. Eastman (Firm)
- W.H. Eddy (Firm)
- W.H. Grenell (Firm)
- W.H. Guilford & Son.
- W.H. Harrison Co. Inc.
- W.H. Kingsley (Firm)
- W.H. Litson (Firm)
- W.H. Mason (Firm)
- W.H. May & Son.
- W.H. Metson (Firm)
- W.H. Mixson Seed Co. (Charleston, S.C.)
- W.H. Mixson Seed Company (Charleston, S.C.)
- W.H. Mixson Seed Company.
- W.H. Perron & Co. Limited.
- W.H. Phipps (Firm)
- W.H. Schieffer & Co.
- W.H. Smith & Son (New Carlisle, Ohio)
- W.H. Smith & Son,
- W.H. Stone & Son.
- W.H. Toppin (Firm)
- W.H. Waite (Firm)
- W.H. Wyman & Son.
- W.I. Beecroft (Firm)
- W.J. Dunn & Son.
- W.J. Eldering & Sohn.
- W.J. Ellsworth (Firm)
- W.J. Engle & Son
- W.J. Haskin & Co.
- W.J. Hesser (Firm)
- W.J. Moyle & Sons.
- W.J. Myers (Firm)
- W.K. Tipton (Firm)
- W.L. Crissey (Firm)
- W.L. Crissey Alpine Gardens.
- W.L. Gumm (Firm)
- W.L. Howlett (Firm)
- W.L. Killian & Son.
- W.L. Lux (Firm)
- W.L. Miller Seed Co.
- W.L. Smith (Firm)
- W.L.W. Darnell (Firm)
- W.M. Benninger (Firm)
- W.M. Bomberger (Firm)
- W.M. Girardeau (Firm)
- W.M. Girardeau Seed Company.
- W.M. Girareau (Firm)
- W.M. Moyle (Firm)
- W.M. Peters & Sons (Firm)
- W.M. Peters' Sons.
- W.M. Stone Peony Gardens.
- W.N & C. R. Benedict.
- W.N. Scarff & Sons.
- W.N. Scarff (Firm)
- W.N. Scarff's & Sons.
- W.P. Bolton & Sons.
- W.P. Lothrop (Firm)