condition mean min max Sterile Leaflet 4.407282666666666 0.914428 10.6007 Fertile Leaflet with Sori 0.233924 0.0 0.473051 Primary Rachis 0.5592193333333333 0.2875 0.707849 Secondary Rachis 0.7148083333333333 0.268463 1.60605 Petiole 0.42705099999999996 0.162134 0.710934 Crozier 1.425258 0.279494 2.56994 Root 0.376555 0.295745 0.494352