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 0.50273 0.0 1.50819 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.6041366666666668 0.0 4.31585