Apios americana 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. |
| 8 | Crawford, M and Aitken, C(2013). Food from your forest garden. Green books |
| 11 | Jacke, D., & Toensmeier, E. (2005). Edible forest gardens, volume II: ecological design and practice for temperate-climate permaculture (Vol. 2). Chelsea Green Publishing. |
| 14 | Plant of the world online, Retrieved June 10, 2023 from: https://powo.science.kew.org/?name_id=294972 |
| 16 | Plants For A Future Retrieved July 29, 2023 from https://pfaf.org/user/Default.aspx |