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.

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History of plant introductions from Japan

by Faye Rosin, Director of Research Facilitation
June 2, 2017

Growth strategies in eastern hemlock

by Faye Rosin, Director of Research Facilitation
January 2, 2017

Growth strategies in eastern hemlock

Peter Del Tredici

Peter Del Tredici (Arnold Arboretum Senior Research Scientist Emeritus) and David Orwig (Harvard Forest Senior Ecologist) examined natural populations of eastern hemlock, Tsuga canadensis. Published in Rhodora, they found that the populations employed a layering strategy that involves changing the growth orientation of branches which rejuvenated the populations in stressful environments. abstract »

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Fungi colonization of nonnative plants

by Faye Rosin, Director of Research Facilitation
June 3, 2016

Fungi colonization of nonnative plants

Stacey Leicht-Young (2013 Putnam Fellow), Rosanne Healy (2013 Sargent Award recipient) and Peter Del Tredici (Senior Scientist Emeritus) collaborated on a project to examine the associations of nonnative plants with the native fungal community in the field. They found that Celastrus orbiculatus Thunb. or Oriental bittersweet is colonized by native endomycorrhizal fungi, potentially aiding the ability of oriental bittersweet to move into new landscapes. abstract »

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Tough Decisions Make a Fine Collection

by Donna Tremonte
March 27, 2015

Ginkgo microbiome

by Faye Rosin, Director of Research Facilitation
November 21, 2014

Arboretum Senior Scientist Peter Del Tredici Retires

by Faye Rosin, Director of Research Facilitation
January 16, 2014

Saluting a Paragon of Plants

by Jon Hetman, Director of External Relations & Communications
January 6, 2014

Saluting a Paragon of Plants

Peter Del Tredici

Arboretum Senior Scientist Peter Del Tredici Retires I consider ‘weed’ to be a politically incorrect term. There is no biological definition of the term weed. It’s really a value judgment. —Peter Del Tredici [from Boston Globe] Throughout its 140-year history, the Arnold Arboretum has advanced our understanding of biodiversity through the work of some of […]

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Arboretum celebrates Larz Anderson Bonsai Collection centennial

by Jon Hetman, Director of External Relations & Communications
September 24, 2013

Arboretum celebrates Larz Anderson Bonsai Collection centennial

compact hinoki cypress

Among the oldest surviving bonsai in America, the Larz Anderson Bonsai Collection is a beloved treasure of the Arnold Arboretum and Boston. The centennial of the collection’s 1913 arrival in America is being celebrated by a class and theme tours at the Arboretum, and a special exhibition at the Isabella Stewart Gardner Museum. Festivities begin Saturday, […]

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Arnold Arboretum to host botanical symposium on Ginkgo biloba

by Jon Hetman, Director of External Relations & Communications
May 1, 2013

Arnold Arboretum to host botanical symposium on Ginkgo biloba

A living fossil with an ancestry dating back some 270 million years, Ginkgo biloba stands out in the plant world as an object of fascination. A deciduous gymnosperm that persists as a single genus and species, Ginkgo offers scientists a unique glimpse at our botanical and evolutionary past. To celebrate this relict species and explore […]

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