Table 1.

The concentrations of the extracts of C. lepifera fronds required for 50% growth inhibition (IC₅₀; g dry weight equivalent extract per mL) on the root and shoot growth of the test plants.

	Root	Shoot
Garden cress	5.80 a	5.72 a
Lettuce	15.4 c	16.8 c
Alfalfa	10.7 b	11.3 b
Ryegrass	7.72 a,b	10.9 b
Timothy	6.47 a,b	12.3 b
Barnyardgrass	6.74 a,b	44.8

Different letters within the same column indicate significant differences (p < 0.05).