condition mean min max Sterile Leaflet 0.0195122 0.0 0.0585366 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.008379900000000001 0.0 0.0251397 Rhizome 0.0838388 0.0 0.171356 Root 3.606 0.0 10.818