condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 1.8317233333333334 0.0 3.91008 Root 2.7021506666666664 0.385242 5.43807