condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.6646 0.75234 3.11368 Petiole 0.277472 0.0 0.832416 Crozier 0.0 0.0 0.0 Rhizome 1.4305780000000001 0.966874 1.73584 Root 8.56203 0.64212 22.9696