Harvard researchers discover a new species of hemlock

by Jon Hetman, Director of External Relations & Communications
February 7, 2018

Harvard researchers discover a new species of hemlock

Ulleungdo hemlock

Peter Del Tredici, Senior Research Scientist Emeritus at the Arboretum, co-authored a study on the discovery of a new hemlock from Korea. The first novel conifer species to be described in a decade, the Ulleungdo hemlock interests biologists and horticulturists due to its natural resistance to the hemlock woolly adelgid.

Continue reading


Quercus major Korea, 1917

by Larissa Glasser, Library Assistant
October 12, 2017

Quercus major Korea, 1917

Quercus major Korea, 1917

Quercus Baronii China [Title from recto of mount.] Alternate Title: Tree trunk with man Photograph by Ernest Henry Wilson (1876-1930), American, English Korea July 9, 1917 A larger version of this image is available in Harvard University’s Hollis+ catalog. Ernest Henry Wilson (1876-1930) was the furthest traveled of all the Arnold Arboretum’s plant explorers and […]

Continue reading


Salix gracilistyla – Korea 1918

by Larissa Glasser, Library Assistant
March 2, 2017

Salix gracilistyla – Korea 1918

Trees and vegetation by rocky stream

Salix gracilistyla – Korea [Title from recto of mount.] Alternate Title: Trees and vegetation by rocky stream Photograph by Ernest Henry Wilson (1876-1930, American, English) Korea July 7, 1918 A larger version of this image is available in HOLLIS, the online catalog of Harvard Library. Many thousands more Botanical and Cultural Images of Eastern Asia, […]

Continue reading