condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.07673566666666666 0.0 0.230207 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 2.5298966666666667 1.86729 3.31439 Root 0.0 0.0 0.0