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 0.3938316666666667 0.0 1.03481 Stolon 0.0887745 0.0 0.171941 Stolon with Root 10.824733333333334 6.57776 19.0348