The maps below show the origin of all the old Scandinavian accessions of Hablitzia tamnoides (use search on this site or read the article in my book Around the world in 80 plants to find more information about this plant, the Caucasian spinach).
Below is an updated overview with more information on all these accessions plus others from wild collections and botanical gardens.
Please let me know if you know of other old plants!
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