condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.09265433333333334 0.0 0.277963 Fertile Leaflet with Sori 5.557636666666667 3.49613 8.04165 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0