1. European perennial St John's wort; Ireland and France to western Siberia
   - Hypericum tetrapterum, Hypericum maculatum

Type of: St John's wort

• Wilhelm von Opel
• wiliness
• Wilkes
• Wilkes Land
• Wilkie Collins
• Wilkins
• Wilkins Micawber
• Wilkinson
• will
• Will Durant
• Will Hays
• Will Keith Kellog
• Will Rogers
• will-o'-the-wisp
• Willa Cather
• Willa Sibert Cather
• Willamette
• Willamette River
• Willard
• Willard Frank Libby
• Willard Huntington Wright
• Willard Van Orman Quine
• Willebrand
• Willem de Kooning
• Willem de Sitter