condition mean min max Sterile Leaflet 2.15418 1.04617 2.90899 Fertile Leaflet with Sori 4.36426 2.56636 5.88547 Petiole 1.7775693333333333 0.618628 3.99895 Rhizome 3.28433 1.7942 4.37933 Root 3.69849 3.20876 4.03022