condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0170112 0.0 0.0510336 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.02004183333333333 0.0 0.0601255 Crozier 6.407423333333333 3.61266 9.51294 Root 0.0 0.0 0.0