condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 4.1138 0.0 12.3414 Fertile Leaflet with Sori 9.189063333333333 1.0598 19.0568 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