condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.1784036666666666 0.370811 6.22985 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0226186 0.0 0.0678558 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.03363056666666667 0.0 0.0641106