| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Juglans nigra | Seed | -- | 4.7 | -0.9 | Furr, A.K., et al. 1979 |
| Juglans cinerea | Seed | -- | 7.0 | -0.8 | * |
| Juniperus virginiana | Shoot | 4.0 | 44.0 | -0.6 | * |
| Lactuca sativa | Leaf | 0.9 | 87.0 | 0.7 | * |
| Laurus nobilis | Leaf | 9.0 | 16.0 | -1.2 | Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron). |
| Liquidambar styraciflua | Stem | 2.0 | 60.0 | 2.0 | * |
| Liquidambar styraciflua | Leaf | 6.0 | 84.0 | 0.6 | * |
| Lycopersicon esculentum | Fruit | -- | 96.0 | 1.1 | * |
| Malus domestica | Fruit | 1.0 | 110.0 | 1.4 | * |
| Mangifera indica | Fruit | 0.5 | 17.5 | -0.5 | * |
| Manihot esculenta | Root | 0.6 | 7.5 | -0.6 | * |
| Medicago sativa | Plant | 17.0 | 45.0 | -0.4 | * |
| Medicago sativa | Leaf | -- | 25.0 | -1.0 | * |
| Medicago sativa | Stem | -- | 14.0 | -1.2 | * |
| Murraya sp | Fruit | 2.8 | 8.5 | -0.6 | * |
| Musa x paradisiaca | Fruit | 2.8 | 8.5 | -0.6 | * |
| Myristica fragrans | Seed | 3.0 | 13.0 | -0.5 | Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron). |
| Nyssa sylvatica | Stem | 1.0 | 31.0 | -0.0 | * |
| Nyssa sylvatica | Leaf | 2.0 | 136.0 | 2.0 | * |
| Ocimum basilicum | Plant | 18.0 | 31.0 | -0.5 | Betting on Boron, Unpublished draft by J. A. Duke on file at USDA, draft and papers relating to boron percentages. Includes Internat. Z. Vit. Ern. Forschung 43:1973 (boron). |