Model

C. angustifolium subsp. circumvagum

C. angustifolium

C. conspersum

C. latifolium

Average value

Rectangular hyperssions model

2.630

1.501

2.162

1.520

1.953

Nonrectangular hyperssions model

0.569

0.272

0.264

0.092

0.299

Exponential model

0.928

0.454

0.863

0.405

0.662

Modified model of rectangular hyperbola

1.419

0.612

1.066

0.528

0.906

Average value

1.386

0.710

1.089

0.636

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