condition mean min max Sterile Leaflet 0.7732406666666667 0.205786 1.35567 Fertile Leaflet with Sori 3.5583466666666665 1.40588 5.71781 Primary Rachis 0.20251899999999998 0.0 0.334101 Secondary Rachis 0.6787647 0.0368311 1.21787 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.030042799999999998 0.0 0.0901284