• Cytotoxic Natural Products Isolated from Cryptogramma crispa (L.) R. Br. 

      Carpinteyro Diaz, Andrea Estefania; Herfindal, Lars; Andersen, Heidi Lie; Fossen, Torgils (Journal article; Peer reviewed, 2023)
      Parsley fern, Cryptogramma crispa, is a common fern in arctic–alpine regions, and even though this species has been known since ancient times and has been presumed to cause the poisoning of horses, its natural products ...
    • Cytotoxic saponins and other natural products from flowering tops of Narthecium ossifragum L 

      Carpinteyro Diaz, Andrea Estefania; Herfindal, Lars; Rathe, Bendik Auran; Sletta, Kristine; Vedeler, Anni; Haavik, Svein; Fossen, Torgils (Peer reviewed; Journal article, 2019)
      For more than four centuries, the intake of Narthecium ossifragum has been associated with poisoning in domesticated animals. Saponins occurring in flowering tops of the plant are considered to cause kidney damage in calves. ...