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 0.019142266666666668 0.0 0.0574268 Stolon 0.0 0.0 0.0 Stolon with Root 2.1881766666666667 1.08134 3.08704