condition mean min max Sterile Leaflet 4.826013333333333 3.78696 6.02694 Fertile Leaflet with Sori 6.93048 4.53298 9.54264 Primary Rachis 0.0 0.0 0.0 Petiole 0.25969233333333336 0.0 0.779077 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.441866 0.0 0.690816