condition mean min max Sterile Leaflet 7.400146666666666 0.0 20.0124 Fertile Leaflet with Sori 1.2102523333333333 0.623067 1.60389 Primary Rachis 0.275588 0.0 0.668198 Petiole 0.301412 0.0 0.740213 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0