Some pine trees foam in hard rain because the chemicals in their sap are soap-like. : r/mildlyinteresting

Why does white foam sometimes form on trees when it rains?

The Vineyard Gazette - Martha's Vineyard News

Soapy Trees? Sometimes Trees Need a Shower

Why does my tree orgasm when it rains? : r/marijuanaenthusiasts

Foaming Pine Trees & Heavy Rainfall on Christmas Day

Foaming Pine Trees & Heavy Rainfall on Christmas Day

Some pine trees foam in hard rain because the chemicals in their sap are soap-like., /r/mildlyinteresting, Mildly Interesting

Question: Why is there foam running off from this tree in the rain? : r /botany

Question: Why is there foam running off from this tree in the rain? : r /botany

Christmas Tree Resin – How To Use It And Remove It

Why do my pine trees foam when it's raining? - Quora