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 5.274150666666666 0.366952 13.8416 Stolon 0.0 0.0 0.0 Stolon with Root 0.4325623333333333 0.0 0.845374