condition mean min max Sterile Leaflet 0.48261333333333334 0.0 1.44784 Fertile Leaflet with Sori 8.480976666666667 1.33342 21.6696 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.13846 0.0 3.41538 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0