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 0.3437733333333333 0.0 1.03132 Stolon 3.457246666666667 2.31861 5.66185 Stolon with Root 1.1622143333333335 0.172023 1.84051