This herb grows readily on our lawns  and is commonly used for the following - 

• coughs especially if the voice becomes hoarse
• cystitis
• hayfever or sinus
• respiratory catarrh
• diarrhea
• bronchitis
• Topically made as below and use  for wounds or as an eyewash for conjunctivitis 

Take 1 tsp of dried herb and add 1 cup of boiling water, steep for 5 minutes, strain and drink 1-2 cups per day for best result - leaves can be reused across the day