Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 1-44

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 45-61

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 63-128,

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 211-242

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 243-260

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 261-263

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 265-266

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 267-313

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 457-486

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of The Arnold Arboretum, in 1981, in volume 62, issue 2, pages 129-209

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1981, in volume 62, issue 4, pages 487-516

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1981, in volume 62, issue 4, pages 517-540

Created: 2016-07-07, modified: 2016-07-07