condition mean min max Sterile Leaflet 3.085713333333333 0.0 5.6812 Fertile Leaflet with Sori 0.43022999999999995 0.0 1.29069 Primary Rachis 0.5895050000000001 0.0 1.39813 Petiole 0.24322200000000002 0.0 0.729666 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0