condition mean min max Sterile Leaflet 1.9687400000000002 1.51851 2.50653 Fertile Leaflet with Sori 3.6277066666666666 2.04606 6.42329 Primary Rachis 0.103592 0.0 0.310776 Secondary Rachis 0.2574683333333333 0.0 0.535315 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0