Table 2. Length-area regression equations for the leaves of the three study species.

Length-area regression equations of undamaged fresh green leaves of the three study species.

Species	N	Regression equation	r2	p
Nuphar lutea	37	A = 0.623L2	0.99	<0.001
Nymphaea alba	84	A = 0.788L2	0.98	<0.001
Nymphaea candida	10	A = 0.695L2	0.99	<0.001

Notes.

N

number of leaves used to determine the equation coefficients

A

leaf area

L

leaf length