ornamental 18
- Guelder Rose: The Powerful Symbolism of a Plant in Ukraine and Russia
- Beyond the Silken Shadow: The Mulberry Tree's Metamorphosis and Homecoming
- Jasmine: The Sensual and the Sacred
- Passionflower: Christian Curiosity, Exotic Vine, Tropical Fruit
- The Gulmohar: Becoming Native
- The Sensitive Plant: Meaning and Movement
- Opium Poppy: A Cursed Beauty
- Cercidiphyllum japonicum: The Katsura at Dumbarton Oaks
- Cryptomeria japonica: Climate Change, Cultivation, and Culture
- Venus Flytrap: Queen of the Carnivorous Plants
- The Corpse Flower - Amorphophallus titanium
- Peony: Pretty and Powerful
- Sunflower: Knowledge, Myth, and Meaning
- Pelargonium: By Any Other Name Would Smell as Sweet?
- Heliconia: Evolution at Work
- Dracaena draco: The Mystery of Dragon’s Blood
- Boxwood: A Plant That Took Over the Garden World
- Arbor Vitae: In Search of the Tree of Life