Svart valnöt

Källor

• GBIF — Scientific name
• GBIF - Juglans nigra (species) taxonomy record — Plant family
• RHS Pests A–Z; UC IPM Pest Notes — Pest vulnerabilities
• USDA NRCS Plant Guide — Plant family, Years to maturity, Height (cm), Sun needs, Soil notes, Lifespan, Water needs
• USDA PLANTS Database, Cornell Cooperative Extension — Root depth
• NC State Extension — Years to maturity, Height (cm)
• PFAF — Edible
• PFAF (Plants for a Future), USDA PLANTS Database — Is allelopathic
• PFAF (Plants For A Future) — Min. hardiness temp (°C)
• Sprent 2009, Legume Nodulation (Wiley-Blackwell); actinorhizal genera per Pawlowski & Demchenko 2012 — Nitrogen fixer
• Penn State Extension — gardening around walnuts (juglone) — Allelopathy effect
• Wikipedia — Plant family, Years to maturity, Height (cm), Sun needs, Soil notes, Lifespan, Edible