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 1.8186646666666666 0.821284 3.31473 Rhizome 0.25675543333333334 0.0 0.68075 Root 0.0075025 0.0 0.0225075