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 3.713279 0.715937 7.66992 Stolon 0.0 0.0 0.0 Stolon with Root 2.01372 1.34071 2.71497