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“Tansy is on Minnesota's "control" noxious weed list, which means efforts are supposed to be made to control its spread, but there aren't really any programs in place to make that happen, let alone eradicate it.”
https://www.minnesotawildflowers.info/flower/common-tansy
It appears that I should eliminate it as it is an invasive species. I do like it better than the 10 other invasive species in that same garden bed though.
You should try out the iNature app. It's great for getting help identifying plants and animals, and the uploads are used for scientific studies.
I will check it out, sounds interesting
I think found it. I found called iNaturalist that does the things you described
Common tansy, Tanacetum vulgare, Also known as: Tansy, Golden buttons, Bitter buttons, Cow bitter, Garden tansy
At least according to the plant ID app I use, which is remarkably accurate: https://play.google.com/store/apps/details?id=cn.danatech.xingseus
It looks very similar to Gonospermum fruticosum. I’m not sure where you are located, but this plant does seem to have a very limited range. Hope this helps!
https://www.botanicalrealm.com/plant-identification/gonospermum-fruticosum/
Looks like a Chamomile tribe member, perhaps a waterbutton (Cotula species).
