condition mean min max Sterile Leaflet 0.512224 0.117802 0.874287 Fertile Leaflet with Sori 6.149934 0.786382 15.0683 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3494638666666667 0.0948966 0.527832 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.08225633333333333 0.0 0.246769