Cornell Herbarium, Brooklyn Cactus, VA Buckwheat

This episode consists of a 90 minute rant about the wonders of Cornell University Herbarium (1 million specimens you schmuck), how a cactus came to grow in Brooklyn, Botanizing a filthy industrial creek in Queens New York, the enigmatic Appalachian shale buckwheat (Eriogonum allenii) of Virginia, giving a talk on plant evolution in lower Manhattan, and more.