Plate by Walter Fitch (1817-1892) from Curtis's Botanical MagazineImage courtesy of the American Philosophcal Society
Wednesday, November 18, 2026, 10:00 am EST
Wednesday, November 18, 2026, 10:00 am EST
Wednesday, November 18, 2026, 12:00 pm EST
Wednesday, November 18, 2026, 6:00 pm EST
Columbia University
Thursday, November 19, 2026, 10:00 am EST
Thursday, November 19, 2026, 2:00 pm EST
Tuesday, November 24, 2026, 12:00 pm EST
University of Toronto
Tuesday, November 24, 2026, 1:00 pm EST
Wednesday, November 25, 2026, 10:00 am EST
Wednesday, November 25, 2026, 12:00 pm EST
Thursday, October 29, 2026, 3:00 pm EDT
Johns Hopkins University
Wednesday, October 28, 2026, 6:30 pm EDT
Columbia University in the City of New York
NYU Gallatin School of Individualized Study
The Graduate Center, City University of New York
The New York Academy of Medicine
The New York Academy of Sciences
Wednesday, October 28, 2026, 12:00 pm EDT
Wednesday, October 28, 2026, 10:00 am EDT
Tuesday, October 27, 2026, 3:00 pm EDT
Harvard University
Tuesday, October 27, 2026, 1:00 pm EDT
Tuesday, October 27, 2026, 11:00 am EDT
Monday, October 26, 2026, 3:30 pm EDT
University of Pennsylvania
Monday, October 26, 2026, 12:00 pm EDT
Columbia University
Thursday, October 22, 2026, 1:00 pm EDT
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