| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Lycopodium clavatum | Pollen Or Spore | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| Macadamia spp | Seed | 8990.0 | 9250.0 | -0.7 | USDA's Ag Handbook 8 and sequelae) |
| Malus domestica | Fruit | 60.0 | 373.0 | -1.1 | USDA's Ag Handbook 8 and sequelae) |
| Mangifera indica | Fruit | 190.0 | 3400.0 | -0.2 | * |
| Manihot esculenta | Root | 3140.0 | 9970.0 | -0.0 | * |
| Medicago sativa | Plant | -- | -- | * | |
| Melia azedarach | Seed | -- | -- | * | |
| Mentha x piperita | Plant | 1730.0 | 8105.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Mentha spicata | Essential Oil | -- | -- | * | |
| Mentha spicata | Leaf | 1510.0 | 10450.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Momordica charantia | Seed | -- | 323.0 | -1.0 | Jim Duke's personal files. |
| Moringa oleifera | Shoot | 5320.0 | 24930.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Mucuna pruriens | Seed | 12350.0 | 26180.0 | 0.1 | * |
| Murraya sp | Fruit | 1080.0 | 3111.0 | -0.3 | * |
| Musa x paradisiaca | Fruit | 1080.0 | 3111.0 | -0.3 | USDA's Ag Handbook 8 and sequelae) |
| Nasturtium officinale | Herb | 1500.0 | 30000.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Nelumbo nucifera | Seed | 3380.0 | 10242.0 | -0.6 | * |
| Nelumbo nucifera | Rhizome | 880.0 | 4210.0 | 1.0 | * |
| Nigella sativa | Seed | 41500.0 | 53050.0 | 1.2 | * |
| Ocimum basilicum | Leaf | -- | 6620.0 | -0.9 | USDA's Ag Handbook 8 and sequelae) |