| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Lycopersicon esculentum | Leaf | -- | 5500.0 | 0.1 | * |
| Lycopersicon esculentum | Fruit | 110.0 | 8400.0 | 1.6 | * |
| Macadamia spp | Seed | 1015.0 | 1750.0 | -1.0 | USDA's Ag Handbook 8 and sequelae) |
| Malpighia glabra | Fruit | 110.0 | 1280.0 | -0.6 | * |
| Malus domestica | Fruit | 68.0 | 925.0 | -0.7 | * |
| Malva parviflora | Plant | 670.0 | 4891.0 | 0.6 | * |
| Malva sylvestris | Leaf | 360.0 | 5000.0 | 0.0 | * |
| Mammea americana | Fruit | 78.0 | 925.0 | -0.7 | * |
| Mangifera indica | Leaf | 720.0 | 3800.0 | -0.2 | * |
| Mangifera indica | Fruit | 103.0 | 1050.0 | -0.7 | * |
| Manihot esculenta | Root | 310.0 | 2225.0 | -0.2 | * |
| Manihot esculenta | Leaf | 560.0 | 2800.0 | -0.4 | * |
| Manilkara zapota | Fruit | 100.0 | 530.0 | -0.8 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Maranta arundinacea | Root | 180.0 | 561.0 | -0.5 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Mauritia flexuosa | Fruit | 270.0 | 585.0 | -0.8 | J Cell Biochem VOL. 22=1995 |
| Medicago sativa | Plant | 282.0 | 1500.0 | -1.0 | * |
| Melia azedarach | Leaf | 220.0 | 2300.0 | -0.5 | * |
| Melicoccus bijugatas | Fruit | 98.0 | 925.0 | -0.7 | * |
| Melilotus indica | Plant | -- | 3500.0 | -0.0 | * |
| Mentha x piperita | Leaf | 1150.0 | 7720.0 | 0.5 | * |