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 3.358148 0.0 9.21542 Stolon 0.0 0.0 0.0 Stolon with Root 0.5534696666666666 0.0 1.42546