@book{bhlitem33634, title = {Journal of the Arnold Arboretum }, volume = {v.71 (1990)}, copyright = {In copyright. Digitized with the permission of the rights holder.}, url = {https://www.biodiversitylibrary.org/item/33634}, note = {https://www.biodiversitylibrary.org/bibliography/480}, publisher = {Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-}, author = {Arnold Arboretum.}, year = {1990}, pages = {632}, keywords = {Arboretums|North America|Periodicals|Pflanzen|Shrubs|Trees|Zeitschrift}, }