This wild flower can be purchased as a garden plant in Sofia. We found it at around 2000 meters altitude. It’s called something like stone-loving Arabis in Bulgarian. There were lots of rocks around it.
Alpine Rockcress
Cats, good books, AI, and religious walking in the city of Sofia
Veselin.blog 
I think this is also called Queen Ann’s Lace.
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Pretty!
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It’s freely available yet also sold?
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Well, you can go to 2000 meters to collect seeds in one particular week of the year, although not sure which…
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Ahhh, I don’t mind buying then 😆
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