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

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world.This week, Mihaela asks: “Every time it rains, there is a white foam forming at the base of the trees on our property… What is that?"

When Monitoring Is the Best Action - The Case of Two “Flux

Why do trees foam when it rains?

Fungal Foam on Tree Branch

Foam nests of the African foam nesting tree frog, Chiromantis

Those soapy bubbles on trees are caused by stem flow mixing - The

Foam is dripping from the trees after a day of rain : r/Weird

Foam is dripping from the trees after a day of rain : r/Weird

Soapy Trees? Sometimes Trees Need a Shower

The chemistry behind sea foam

Soapy Trees? Sometimes Trees Need a Shower

Foam is dripping from the trees after a day of rain : r/Weird

Controlling Suckers & Water Sprouts

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