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 2.8785966666666667 0.0 7.20489 Stolon 0.0 0.0 0.0 Stolon with Root 0.760523 0.0 1.74016