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 0.104219 0.0 0.312657 Crozier 0.0 0.0 0.0 Rhizome 2.26488 0.0 4.79458 Stolon 0.13012166666666666 0.0 0.390365 Stolon with Root 1.3992786666666668 0.357186 2.36627