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    • Pestplanten tromsøsvineblom Jacobaea alpina x subalpina i Norge - opphav og status 

      Alm, Torbjørn; Deschamps, Amandine Maria; Often, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2016)
      Jacobaea alpina (syn. Senecio alpinus, S. cordatus ) and J. subalpina (syn. Senecio subalpinus ) are native to the mountains of Central Europe. Both were cultivated as ornamentals in late 19th century Tromsø. From the early 1990’s onwards, numerous Jacobaea stands have been noticed outside gardens, in particular at Tromsø, but extending from Lenvik in central Troms northwards ...