Latin Name: Silphium terebinthinaceum Common Name: Prairie Dock Communities: Mesic Prairie, Wet Mesic Prairie PlantTypes: Forb Sun: Sun Height: 5-10 Ft Color: Yellow Flower Season: July-Sept Seed Cost per Ounce: $21.00 Seed Cost per Pound: $315.00 USDA: Silphium terebinthinaceum |