Authors: I M Johnston
Published in Journal of the Arnold Arboretum, in 1940, in volume 21, pages 67-75
Created: 2011-01-26, modified: 2025-12-17
doi:10.5962/p.37226
Authors: R A Howard
Published in Journal of the Arnold Arboretum, in 1940, in volume 21, pages 461-489
Created: 2011-01-26, modified: 2025-12-17
doi:10.5962/p.37227
Authors: Walter T Swingle
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 1, pages 1-24
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185122
Authors: C E B Bremekamp
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 1, pages 32-47
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185123
Authors: Leon Croizat
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 1, pages 76-107
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185124
Authors: E D Merrill
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 1, pages 108-109
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185125
Authors: Walter T Swingle
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 2, pages 115-133
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185126
Authors: E D Merrill | L M Perry
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 2, pages 163-200
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185127
Authors: Franklin P Metcalf
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 2, pages 274-275
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185128
Authors: E D Merrill | L M Perry
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 4, pages 511-527
Created: 2016-07-07, modified: 2025-12-17
doi:10.5962/p.185129