condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 3.571633333333333 0.0 10.7149 Secondary Rachis 4.667003333333334 0.0 10.5033 Petiole 19.9287 0.0 35.8302 Crozier 0.0 0.0 0.0 Root 14.92764 4.96782 29.2944