Some figures from a Finnish Defence Forces study of boreal organisms, all per 100 grams of substance. Mouse testing suggested that many of these organisms could be used in survival situation but not for long period of time.
- Calla (Calla palustris), dried roots - 278 kcal.
- Bogbean (Menyanthes trifoliata), dried roots - 212 kcal.
- Yellow water-lily (Nuphar lutea), dried roots - 191 kcal.
- White water-lily (Nymphaea alba), dried roots - 113 kcal.
- Birch (Betula spp.), fresh leaves - 56 kcal.
- Stinging nettle (Urtica dioica), fresh leaves - 51 kcal.
- Common dandelion (Taraxacum officinale), fresh leaves - 47 kcal.
- Iceland moss (Cetraria islandica), dried - 44 kcal.
- Sorrel (Rumex acetosa), fresh leaves - 28 kcal.
When Finns capture a bear, they must hold a feast in the dark,
drinking the health of the bear from its skull, acting and
growling like the bear.