condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature 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 Crozier 0.0 0.0 0.0 Rhizome 1.817 0.0 5.451 Stolon 0.0 0.0 0.0 Stolon with Root 3.231990666666667 0.690587 8.1225