- Species
- Planteriket
- Vascular plant
- Frøplanter
- Dekkfrøete blomsterplanter
- Tofrøblader
- Vierfamilien
- Willows, Sallows and Osiers
- Blankpil
- Bleikvier
- Blokkevier
- Blåvier
- Brekkavier
- Bronsepil
- Dunpil
- Elvepil
- Fagervier
- Finnmarksvier
- Flettepil
- Fløyelsselje
- Fløyelsvier
- Fontenepil
- Grønnpil
- Grønnvier
- Grey Willow
- Gullvier
- Creeping Willow
- Hvitpil
- Bay Willow
- Osier
- Downy Willow
- Almond Willow
- Dwarf Willow
- Whortle-leaved Willow
- Myrvier
- Namdalspil
- Plommepil
- Polarvier
- European Violet-willow
- Net-leaved Willow
- Rødpil
- Goat Willow
- Sibirvier
- Silkerødpil
- Crack Willow
- Småvier
- Spiss ørevier
- Dark-leaved Willow
- Sørgepil
- Trippelvier
- Woolly Willow
- Eared Willow
- Willows, Sallows and Osiers
- Vierfamilien
- Tofrøblader
- Dekkfrøete blomsterplanter
- Frøplanter
- Vascular plant
- Planteriket
Sustain.no is an educational tool for sustainable development. The site includes activities complete with guidelines for how the pupils can investigate, discuss and communicate their results.
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Sustain.no is provided by the Norwegian Centre for Science Education
Responsible editor: Doris Jorde