condition mean min max Sterile Leaflet 0.211713 0.0 0.331718 Fertile Leaflet with Sori 4.549432333333333 0.654377 11.1633 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3890733333333333 0.0 1.16722 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.665703333333334 0.0 9.94081