condition mean min max Sterile Leaflet 0.31269433333333335 0.0 0.670541 Fertile Leaflet with Sori 3.0219833333333335 2.20085 4.62036 Primary Rachis 0.08714499999999999 0.0 0.261435 Secondary Rachis 0.3992276666666667 0.0 0.64651 Petiole 0.0 0.0 0.0 Crozier 0.226479 0.0 0.487549 Root 0.0 0.0 0.0