condition mean min max Sterile Leaflet 6.0365253333333335 0.0 17.4409 Fertile Leaflet with Sori 0.5464016666666667 0.0 1.31653 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.09292600000000001 0.0 0.278778 Root 0.0 0.0 0.0