Science Talk Archive

Exploring the science of plants, from the field to the lab

Great Big Story: World Flora Online in the Spotlight

Posted in Interesting Plant Stories on December 29, 2015 by Stevenson Swanson

Stevenson Swanson is the Science Media Manager at The New York Botanical Garden.


Enid A. Haupt ConservatoryIt’s a great big story, all right.

CNN’s new online video unit, called Great Big Story, recently reported on The New York Botanical Garden’s work on World Flora Online, a worldwide effort to produce a single, scientifically verified database of information about all of the world’s plant species—an estimated 350,000 of them.

The video captures the activity in the Mounting Room and Digital Imaging Lab of the William and Lynda Steere Herbarium as specimens are carefully glued to acid-free paper and then photographed in ultra-high resolution before they are filed in the Steere Herbarium.

There are also stunning images of rain forest and desert plants in the Botanical Garden’s Enid A. Haupt Conservatory. The variety and beauty of the plants drive home the point made by Dr. Barbara Thiers, the Garden’s Vice President for Science Administration and Director of the Herbarium.

“Plants are endlessly fascinating,” she says in the video. “We have to know what they are and how they differ from one another in order to understand what kind of measures need to be taken to protect them.”

Paris Conference Concludes with Accord on Climate Change, Emphasizing a Huge Role for the World’s Forests

Posted in Environment on December 14, 2015 by Brian Boom

Brian M. Boom, Ph.D., is Vice President for Conservation Strategy; Director, NYBG Press and Science Outreach; and Bassett Maguire Curator of Botany at NYBG.


Rio Falsino Brazil Rainforest
As noted in my most recent post, negotiators at the Paris climate conference, known as COP21, emphasized the importance of the role of forests in addressing global warming.

The big news in the resulting accord, signed by 195 countries on December 12, appeared in Article 2 on page 21, which calls for holding the increase in the global average temperature to “well below two degrees Celsius above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5 degrees Celsius above pre-industrial levels, recognizing that this would significantly reduce the risks and impacts of climate change.”

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A Biological Strategy for Cooling a Warming Planet

Posted in Environment on December 9, 2015 by Brian Boom

Brian M. Boom, Ph.D., is Vice President for Conservation Strategy; Director, NYBG Press and Science Outreach; and Bassett Maguire Curator of Botany at NYBG.


Part of Myanmar’s Vast Forested Area
Part of Myanmar’s Vast Forested Area

Negotiators at the Paris climate change conference (known as COP21) are in the final stretch of their effort to reach a broad accord to limit carbon emissions. Switching to alternative sources of energy that do not rely on fossil fuels, such as wind, solar, nuclear, and geothermal, is a big component of the debate, alongside controversial approaches to sequestering carbon by means of “geoengineering.”

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As Negotiators Debate Climate Change in Paris, Some Nations Already Feel the Impacts of a Warming World

Posted in Environment on December 4, 2015 by Brian Boom

Brian M. Boom, Ph.D., is Vice President for Conservation Strategy, Director, NYBG Press and Science Outreach, and Bassett Maguire Curator of Botany at NYBG.


Climate changeDelegates at COP 21, the climate change conference in Paris, are debating the implications of global warming under various levels of atmospheric carbon dioxide in the years 2030, 2050, and beyond, but a subset of those delegates hailing from the South Pacific region are emphasizing that, for their nations, the future of climate change is now, as this recent New York Times story reported. Rising sea levels are threatening to engulf these low-lying islands.

Regular readers of this blog will know that The New York Botanical Garden is deeply engaged in a research and conservation project in the South Pacific, especially in Vanuatu, an island nation with a population of about 225,000 people who are spread over 65 islands and speak more than 113 indigenous languages; for a Science Talk post and short video about NYBG’s research in Vanuatu, see From the Field: A Botany Lesson in Vanuatu.

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Oliver Sacks: A Remembrance

Posted in Personalities in Science on November 25, 2015 by Robbin Moran

Robbin C. Moran, Ph.D., is Nathaniel Lord Britton Curator of Botany at NYBG‘s Institute of Systematic Botany. He is an expert on ferns and lycophytes.


Oliver Sacks
Oliver Sacks visiting a titan arum (Amorphophallus titanum) in 2004. (Photo by Robbin Moran.)

Oliver Sacks, a board member of The New York Botanical Garden, died of cancer at his home in New York City on August 30, 2015. He was 82. Oliver was one of the world’s leading neurologists and science writers, known for his many essays and books such as Awakenings, The Man who Mistook his Wife for a Hat, An Anthropologist on Mars, Island of the Colorblind, Uncle Tungsten, and Musicophilia. Some of these books, or chapters in them, were adapted for film and/or stage, such as Awakenings (Robin Williams and Robert De Niro), At First Sight (Val Kilmer and Mira Sorvino), and The Music Never Stopped (Lou Taylor Pucci and Julia Ormond). Since his death, much has been written about his life, but little has been written about him as a lover of plants, which he indeed was, especially of ferns and cycads.

Oliver developed an interest in plants as a boy. At age six he was evacuated from London to a school in the English Midlands to avoid the Blitz. Separated from his parents and extremely lonely and unhappy, he took solace in holiday visits to his Aunt Len’s place in Cheshire. She had a garden and delighted in explaining its plants to an inquisitive young Oliver. They took long botanizing walks in the forest, stopping frequently to look at ferns and horsetails. These visits to “Auntie Len’s” instilled a love for plants that stayed with him for the rest of his life.

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WeDigBio: Bringing Biological Collections to the World

Posted in Interesting Plant Stories on November 20, 2015 by Science Talk

Mari A. Roberts is a Volunteer Coordinator at The New York Botanical Garden’s William and Lynda Steere Herbarium. Her work focuses on engaging citizen scientists in the digitization of plant specimens.


wedigbioDid you know that you can volunteer on a global initiative right here at The New York Botanical Garden? That’s what happened last month when 15 volunteers participated in the Worldwide Engagement for Digitizing Biocollections (WeDigBio), making information on biodiversity collections—such as pressed plants, pinned insects, and aquatic species in jars—available online.

WeDigBio was a one-of-a-kind event engaging hundreds of volunteers to transcribe specimens at more than 30 institutions via multiple transcription platforms (DigiVolHebaria @ HomeLes HerbonautesNotes from NatureSmithsonian Institution’s Transcription Center and Symbiota). One goal of WeDigBio was to increase awareness of the importance of biodiversity collections and of making them easily available online to researchers worldwide. Thanks to WeDigBio volunteers at The New York Botanical Garden, The National Museum of Natural History, Australian Museum, Florida State University and dozens of other institutions, data on more than 31,000 biological specimens will be available for researchers, graduate students and even citizen scientists!

Biodiversity collections held in universities, natural history museums and herbaria are physical representations of our planet’s life forms and biological processes. Plant specimens are collected in the field and then stored in a herbarium, where they can remain for hundreds of years. However, collections are not easily accessible to the general public, nor are there digital representations of every specimen.

“Never has it been more important for museums to open their specimen cabinet doors to the public,” says Austin Mast, a WeDigBio organizer and Associate Professor of Biological Science at Florida State University. “Everyone should have the chance to see the rich textures of life on Earth in these collections. Public participation of this sort helps science bring those rich textures into sharper focus.”

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The William and Lynda Steere Herbarium at the Botanical Garden is one of 3,400 herbaria in the world and holds 7.8 million specimens that are used by Garden scientists and visiting researchers. To digitize our collections—that is, cataloging them, imaging specimens, and transcribing specimen information—staff and volunteers work on multi-institutional grant-funded projects to target specific areas of the Steere Herbarium’s collections.

For WeDigBio, Garden volunteers captured information about the historical who, what, when, and where of 500 specimens of bryophytes (mosses and their relatives). Bryophytes are model organisms for documenting environmental change because they take up atmospheric nutrients in their environment. By studying these sensitive indicators in historic and recent collections, scientists can address research questions concerning the change in species distributions after man-made environmental events such as climate change, air pollution, and habitat destruction.

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Interested in volunteering? You don’t have to wait until WeDigBio 2016! There are opportunities in the Steere Herbarium year round. Help us discover vital information in our rich collection of plant specimens and contribute to our cause of preserving biodiversity.

For volunteer opportunities in the Herbarium, contact Mari Roberts at mroberts@nybg.org.

Where Botany and Healthcare Intersect

Posted in Interesting Plant Stories on November 10, 2015 by Stevenson Swanson

Stevenson Swanson is the Science Media Manager at The New York Botanical Garden.


Dr. Ina Vandebroek, Ph.D.
Dr. Ina Vandebroek

When Ina Vandebroek, Ph.D., started to study how immigrant Caribbean communities use traditional plant-based medicines in their health care, she soon realized that her subjects often did not tell their doctors about the various remedies they are using.

To help bridge this gap, Dr. Vandebroek, the Matthew Calbraith Perry Assistant Curator of Economic Botany and the director of the Caribbean Program at the Institute of Economic Botany of The New York Botanical Garden, has held nearly 50 training sessions for 740 medical students and practicing physicians.

The goal of these sessions is to raise awareness among health-care practitioners about traditional plant-based medicines so they can communicate better with their patients, build trust, and identify potentially harmful drug interactions between mainstream pharmaceuticals and the active chemicals in traditional remedies.

1115-botanica-1200x900
The shelves at a Bronx botanica, a store where traditional plant-based remedies are sold.

After initially focusing on immigrants from the Dominican Republic, Dr. Vandebroek has now expanded her research project to include Jamaican immigrants. Her research is supported in part by a World of Difference grant from the Cigna Foundation, which announced last week that it was renewing the grant for a second year.

Dr. Vandebroek recently wrote about the importance of understanding immigrant health care practices for “The Doctor’s Tablet,” a blog at Albert Einstein College of Medicine, where Dr. Vandebroek has held several training sessions for its health care professionals. You can read her post here.

From Student to Teacher: A Conversation with a Former NYBG Graduate Student

Posted in Past and Present on November 3, 2015 by Stevenson Swanson

Stevenson Swanson is the Science Media Manager at The New York Botanical Garden.


Dr. Lawrence Kelly & Dr. Natalia Pabón-Mora
Dr. Lawrence Kelly & Dr. Natalia Pabón-Mora

Like most scientific research institutions, The New York Botanical Garden regularly hosts visiting scientists, but it’s especially gratifying to welcome back former graduate students who have gone on to important positions elsewhere.

That was the case recently when Natalia Pabón-Mora, Ph.D., returned to the Garden for several weeks. Dr. Pabón-Mora, who received her Ph.D. in 2012, is currently a professor at the Universidad de Antioquia in Medellin, Colombia.

She took a break from her research to talk with Lawrence M. Kelly, Ph.D., Director of the Commodore Matthew Perry Graduate Studies Program at the Botanical Garden, about what attracted her to the Garden as a place to study plant science.

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New Jersey Transplants “Lichen” Their New Home

Posted in Interesting Plant Stories on October 23, 2015 by Science Talk

Jessica L. Allen is a graduate student in the Commodore Matthew Perry Graduate Studies Program, and James C. Lendemer, Ph.D., is an Assistant Curator in the Institute of Systematic Botany, both at The New York Botanical Garden. Lichens are their primary research interest.


Old man’s beard (Usnea strigosa) on the trunk of an oak tree.
Old man’s beard (Usnea strigosa) on the trunk of an oak tree.

In April, two species of lichens made their way from the Rutgers Field Station in New Jersey to the Thain Family Forest here at The New York Botanical Garden. You might be wondering how they are faring six months later. We took a walk into the forest recently to check in on them.

They’re still alive! A number of them, however, have mysteriously disappeared.

The old man’s beard (Usnea strigosa) hanging on the branches are healthier than those that were attached directly to the trunk of the tree. The reindeer lichen (Cladonia subtenuis) that were nestled deeply into the leaf litter are healthiest, though animals disturbed some of these lichens and they are now fragmented across the ground. About 20 percent of the transplanted lichens are nowhere to be seen. They were likely taken by birds and squirrels living in the forest to be added to their nests.

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Ancient Wisdom, Modern Practices: Three Decades of Studying the Plants and People of Belize

Posted in Books: Past and Present on October 16, 2015 by Michael Balick

Michael J. Balick, Ph.D., is Vice President for Botanical Science at The New York Botanical Garden and Director and Philecology Curator of the Botanical Garden’s Institute of Economic Botany. For more than 30 years, he has studied the relationship between plants and people, working with traditional cultures in tropical, subtropical, and desert environments around the world.


1015-Messages-from-the-Gods-Cover-800x1190Many scientists who study environmental topics focus on a geographic region, at least for part of their careers. Why? It seems that the longer you work in an area, the more you learn, and the more precise your observations and conclusions can be. And that means that the products of one’s studies, including identifying and establishing conservation areas, can be carried out efficiently.

I first went to Belize in 1987 and established a wonderful partnership with naprapathic physicians Drs. Rosita Arvigo and Gregory Shropshire. Together, we carried out a study that included an inventory of the country’s flora, publication of a primary health care manual based on local knowledge, and a general ethnobotany that documents the useful plants of the region. A few months ago we celebrated the publication of the ethnobotany book, Messages from the Gods: A Guide to the Useful Plants of Belize, published by The New York Botanical Garden and Oxford University Press.

In addition to publication of three books, the program produced teaching materials for local students, established a conservation area, developed training programs for plant collectors, investigated the pharmacological potential of the flora, enhanced economic livelihoods, strengthened the local ecotourism industry, and trained graduate students, as well as many other contributions over a 27-year-period.

Drs. Arvigo and Shropshire continue to reside in Belize and are recognized for their many ongoing contributions to that nation. We hope you will enjoy the results of our explorations, undertaken in collaboration with hundreds of people in Belize—a real community effort!

To watch a video of a presentation that Drs. Balick and Arvigo gave at the Botanical Garden about their research in Belize, click above.

Messages from the Gods: A Guide to the Useful Plants of Belize is available here