Model

C. angustifolium subsp. circumvagum

C. angustifolium

C. conspersum

C. latifolium

Average value

Rectangular hyperssions model

0.635

0.660

0.666

0.623

0.646

Nonrectangular hyperssions model

0.676

0.700

0.716

0.674

0.692

Exponential model

0.583

0.662

0.673

0.573

0.623

Modified model of rectangular hyperbola

0.056

0.044

0.035

0.024

0.039

Average value

0.487

0.516

0.523

0.473

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