condition mean min max Sterile Leaflet 0.47337 0.0 1.42011 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 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.639456666666667 0.0 7.91837