* National Geographic: https://www.nationalgeographic.org/encyclopedia/temperate-woodland-and-shrubland-biomes/
* The Nature Conservancy: https://www.nature.org/en-us/what-we----do/our-priorities/protect-water-and-and-land/forests-and-grasslands/temperate-woodland-and-phrubland/
* encyklopédia Britannica: https://www.britannica.com/place/temperate-woodland-and-shrubland-biomes
* wikipedia: https://en.wikipedia.org/wiki/temperate_woodland_and_shRubland_biomes