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Flower galls caused by gall midges!! They don't have a common name but they look like little green onions when fresh. They're latin name is Schizomyia racemicola. Link for more information

Oh man, the next question is “are the midges native?”

Thanks definitely galls

Woah!!! I’ve never seen this before! I didn’t know flowering perennials could get galls like this. So cool 😎

Goldenrod “ball gall” is one of my favorites and easy to spot! https://hort.extension.wisc.edu/articles/goldenrod-gall-fly-eurosta-solidagnis/#:~:text=Goldenrods%20are%20a%20common%20wildflower,and%20preference%20by%20the%20flies.

Thanks for the info! I always thought those were just weird seed pods. Natur’s full of surprises.