Silphium

• 

  487006

  Compass plant (Silphium laciniatum)
• 

  475009

  Compass plant (Silphium laciniatum)
• 

  548066

  Cup plant (Silphium perfoliatum)
• 

  511187

  Cup plant (Silphium perfoliatum)
• 

  511186

  Cup plant (Silphium perfoliatum)
• 

  475128

  Cup plant (Silphium perfoliatum)
• 

  475127

  Cup plant (Silphium perfoliatum)
• 

  486119

  Cup plant (Silphium perfoliatum) and lamb's ears (Stachys byzantina)