condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 8.941649666666667 0.301656 25.8743 Primary Rachis 0.285245 0.0 0.855735 Secondary Rachis 2.9203666666666668 0.0 8.7611 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0