condition mean min max Sterile Leaflet 0.5910966666666667 0.0 1.77329 Fertile Leaflet with Sori 2.4404500000000002 2.04876 3.06583 Primary Rachis 1.32013 1.03808 1.71028 Secondary Rachis 2.5166136666666667 0.900551 3.84006 Petiole 0.8260460000000001 0.375829 1.19002 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0