condition mean min max Sterile Leaflet 2.036781 0.876573 2.66283 Fertile Leaflet with Sori 0.920639 0.0 1.9409 Primary Rachis 0.84706 0.0 2.54118 Secondary Rachis 0.9677143333333333 0.447633 1.70093 Petiole 3.217573 0.491939 7.6784 Crozier 1.5776109999999999 0.673433 2.35757 Root 0.440415 0.0 0.89097