condition mean min max Sterile Leaflet 4.349379333333333 0.761768 6.83214 Fertile Leaflet with Sori 3.62706 2.48268 4.81423 Primary Rachis 0.073601 0.0 0.220803 Petiole 0.32273799999999997 0.0 0.509203 Crozier 0.0 0.0 0.0 Rhizome 0.8466836666666666 0.431529 1.66642 Root 0.285988 0.0 0.436356