Armoracia rusticana References
| 5 | Crawford, M. (2010). Creating a forest garden. Green books. |
| 7 | Crawford, M. (2012). How to grow perennial vegetables: Low-maintenance, low-impact vegetable gardening. Bloomsbury Publishing. |
| 17 | Barstow S. (2014). Around the World in 80 Plants: An Edible Perennial Vegetable Adventure in Temperate Climates. |