condition mean min max Sterile Leaflet 0.0 0.0 0.0 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 2.16216 2.08669 2.25101 Rhizome 2.77899 1.10813 3.63834 Root 0.119998 0.0 0.359994