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Table 3 Enrichment factor (EF) and contamination factor (CF) for selected metals in different roadside plants species

From: Heavy metals accumulation in suburban roadside plants of a tropical area (Jengka, Malaysia)

Roadside plant Fe Cu Pb Cd
Enrichment factor
 AE 1 1.01 1.49 1.76
 CO 1 0.64 0.80 1.50
 LC 1 0.74 1.74 2.59
Contamination factor
 AE 2.26 2.29 3.37 4.00
 CO 2.66 1.70 2.15 4.00
 LC 2.23 1.65 3.88 5.80
  1. AE Athyrium esculentum, CO Chromolaena odorata, LC Lantana cámara