| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Boehmeria nivea | Plant | 1500.0 | 3500.0 | 3.4 | * |
| Borago officinalis | Leaf | 33.0 | 472.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Brassica nigra | Leaf | 12.0 | 209.0 | -0.4 | USDA's Ag Handbook 8 and sequelae) |
| Brassica chinensis | Leaf | 8.0 | 171.0 | -0.5 | * |
| Brassica rapa | Root | 2.0 | 37.0 | -0.4 | * |
| Brassica oleracea | Stem | 4.0 | 44.0 | -0.7 | * |
| Brassica oleracea var. italica | Leaf | 8.0 | 109.0 | -0.6 | * |
| Brassica rapa | Leaf | 8.0 | 171.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Brassica oleracea var. gemmifera | Leaf | 9.0 | 136.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Brassica napus var. napobrassica | Root | 2.0 | 62.0 | -0.4 | * |
| Brassica rapa | Seed | -- | 93.0 | -0.3 | * |
| Brassica oleracea var. sabellica l. | Leaf | 15.0 | 110.0 | -0.6 | * |
| Brassica oleracea var. viridis l. | Leaf | 6.0 | 102.0 | -0.7 | * |
| Brassica oleracea var. botrytis l. | Leaf | 8.0 | 109.0 | -0.6 | * |
| Brassica juncea | Leaf | 16.0 | 174.0 | -0.5 | * |
| Brassica oleracea var. botrytis l. | Flower | 5.0 | 122.0 | -0.3 | * |
| Brassica pekinensis | Leaf | 28.5 | 63.0 | -0.8 | * |
| Brassica oleracea var. capitata l. | Leaf | 4.0 | 151.0 | -0.5 | * |
| Bromelia pinguin | Shoot | 3.0 | 75.0 | -0.6 | * |
| Brosimum alicastrum | Fruit | 8.0 | 50.0 | -0.3 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |