Spring into Science! Tree Spotters and TreeVersity at the MIT Citizen Science Fair

by Danny Schissler, Research Assistant, Friedman Lab
February 19, 2018

Spring into Science! Tree Spotters and TreeVersity at the MIT Citizen Science Fair

MIT citizen science fair

At the Arboretum and across the globe, volunteers are challenging the notion that science happens behind closed doors. Citizen scientists—individuals who contribute their time and efforts towards observation and data collection—are transforming the nature of scientific discovery through their collaborative efforts with professional researchers. Around the world, citizen scientists work alongside professionals in fields ranging […]

Continue reading


Citizen Scientists Take the Pulse of Arnold Arboretum Trees

by Jon Hetman, Director of External Relations & Communications
November 15, 2017

Volunteer for TreeVersity

by Danny Schissler, Research Assistant, Friedman Lab
October 4, 2017

Volunteer for TreeVersity

TreeVersity An online citizen science initiative Interested in learning about plant science and exploring a visual catalog of the Arboretum’s Living Collections? Participate in TreeVersity, the Arboretum’s newest online citizen science initiative, and help to classify over 25,000 historic and contemporary plant images. Your efforts will contribute to the Arboretum’s Plant Image Database and help […]

Continue reading


Arboretum Launches Plant Image Project “TreeVersity”

by Jon Hetman, Director of External Relations & Communications
September 22, 2017

Arboretum Launches Plant Image Project “TreeVersity”

Treeversity Grid

If a picture is worth a thousand words, then the Arnold Arboretum of Harvard University is preparing to share more details than ever before about its 15,000 collected plants. The best part—you can help make it happen! This fall, the Arboretum launches TreeVersity, a citizen science project designed to collect information on some 20,000 images […]

Continue reading


Focus on Phenology: Spring Unsprung

by Danny Schissler, Research Assistant, Friedman Lab
March 7, 2017

Focus on Phenology: Spring Unsprung

Honey bee visiting Ozark Witch-hazel (Hamamelis vernalis)

Can you remember February 24, a balmy 73 degree day that brought flocks of visitors to the Arboretum? In the ample sunshine and unseasonably warm temperatures, it felt as though spring had suddenly arrived on the grounds. And indeed, with a week-long spate of warm weather came swelling buds, early-blooming perennials, and honey bees buzzing […]

Continue reading


Botany Blast: Seeing Climate Change in Your Backyard

by Meghana Srinivasan, Marketing and Communications Specialist
January 17, 2017

Botany Blast: Seeing Climate Change in Your Backyard

Hamamelis vernalis

Botany Blast: Seeing Climate Change in Your Backyard Alyssa Rosemartin, Partner & Application Specialist, The USA National Phenology Network 1 Session: Sunday, January 22, 2:30–3:30pm Location: Hunnewell Building Learn what you can do to help scientists in their studies of the effects of a changing climate on plants and animals. Alyssa Rosemartin of the USA […]

Continue reading


Summer volunteers sought for Firefly Watch

by Meghana Srinivasan, Marketing and Communications Specialist
July 15, 2016

Summer volunteers sought for Firefly Watch

Fireflies-lewis cover_crop

Are Fireflies Disappearing?  The flickering of fireflies adds a dash of enchantment to summer nights, even in our cities. Unfortunately, fireflies seem to be disappearing from our urban landscape, and we don’t know why. On June 13, an interactive lecture at the Arnold Arboretum explored the mysterious lives of these insects. Led by firefly researcher […]

Continue reading


Focus on Phenology: Leafing Out

by Danny Schissler, Research Assistant, Friedman Lab
May 6, 2016

Focus on Phenology: Leafing Out

Forsythias, magnolias, and cherries are blooming in every corner of the Arboretum. Tall white tufts of serviceberry (Amelanchier spp.) reach out from conifer stands, and redbud branches burst with pink blossoms. Dogwoods, azaleas, and lilacs prepare for their annual show. With the world awash in floral hues, it’s easy to forget the most important of spring’s colors: green. […]

Continue reading


Focus on Phenology: Beautiful Buds

by Danny Schissler, Research Assistant, Friedman Lab
March 3, 2016

Focus on Phenology: Beautiful Buds

Dormant Reproductive Buds

Phenology is the study of periodic events in the life cycles of organisms and how the timing of these events is influenced by weather and climate. Derived from the Greek word φαίνω (phainō, or “to show or bring to light”), phenology is concerned with the appearance of transient phenomena that we often consider harbingers of the changing seasons. The […]

Continue reading


Tree Spotters kick off second season

by Meghana Srinivasan, Marketing and Communications Specialist
February 26, 2016

Tree Spotters kick off second season

Tree Spotters SpringTraining_square

With spring approaching, Arnold Arboretum visitors can look forward to plants breaking dormancy to produce buds, flowers, leaves, and fruit during the growing season. Scientists can investigate the timing of life cycle events (phenology) to gain a better understanding of how climate change is affecting plants and ecosystems. Analysis of this kind requires gathering observations […]

Continue reading