| Metal | Plant | No. of sites present | Metals in shoot (mg∙kg−1) | Metals in root (mg∙kg−1) | ||||
| Min | Max | Median | Min | Max | Median | |||
| Lead | Alternanthera philoxeroides | 11 | 16.06 | 27.13 | 17.08 | 46.64 | 91.79 | 70.98 |
| Ipomoea aquatica | 6 | 14.29 | 34.49 | 16.97 | 28.64 | 57.50 | 42.18 | |
| Eichhornia crassipes | 5 | 18.69 | 26.97 | 24.97 | 34.88 | 80.95 | 61.66 | |
| Sedges | 3 | 15.51 | 33.70 | 16.80 | 45.27 | 92.79 | 63.77 | |
| Commelina benghalensis | 2 | 17.74 | 33.85 | 25.79 | 60.16 | 92.70 | 76.43 | |
| Sagittaria sagittifolia | 2 | 17.12 | 32.53 | 24.83 | 67.25 | 72.71 | 69.98 | |
| Enhydra fluctuans | 1 | NA | NA | 25.49 | NA | NA | 59.25 | |
| Ludwigia adscendens | 1 | NA | NA | 15.79 | NA | NA | 74.52 | |
| Cadmium | Alternanthera philoxeroides | 11 | 2.57 | 5.64 | 3.79 | 8.48 | 45.03 | 15.72 |
| Ipomoea aquatica | 6 | 2.65 | 8.00 | 2.80 | 3.88 | 14.30 | 7.89 | |
| Eichhornia crassipes | 5 | 3.52 | 5.79 | 5.06 | 8.32 | 30.88 | 14.05 | |
| Sedges | 3 | 2.49 | 8.05 | 2.63 | 9.01 | 26.77 | 14.49 | |
| Commelina benghalensis | 2 | 3.01 | 7.44 | 5.23 | 12.94 | 37.67 | 25.30 | |
| Sagittaria sagittifolia | 2 | 3.06 | 5.69 | 4.38 | 16.58 | 27.24 | 21.91 | |
| Enhydra fluctuans | 1 | NA | NA | 5.51 | NA | NA | 13.60 | |
| Ludwigia adscendens | 1 | NA | NA | 3.08 | NA | NA | 16.84 | |
| Chromium | Alternanthera philoxeroides | 11 | <0.15a | 15.32 | 10.47 | <0.30a | 81.28 | 41.51 |
| Ipomoea aquatica | 6 | <0.15a | 4.48 | 2.57 | <0.30a | 43.26 | 19.07 | |
| Eichhornia crassipes | 5 | <0.15a | 18.45 | 16.46 | 6.21 | 133.75 | 20.65 | |
| Sedges | 3 | <0.15a | 10.74 | 10.74 | 38.34 | 73.39 | 57.63 | |
| Commelina benghalensis | 2 | <0.15a | 11.62 | 11.62 | <0.30a | 20.10 | 20.10 | |
| Sagittaria sagittifolia | 2 | 9.49 | 15.17 | 12.33 | 10.49 | 18.23 | 14.36 | |
| Enhydra fluctuans | 1 | NA | NA | 1.74 | NA | NA | 2.84 | |
| Ludwigia adscendens | 1 | NA | NA | 4.27 | NA | NA | 28.59 | |