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 1.95803 0.0 4.14448 Stolon 0.0 0.0 0.0 Stolon with Root 0.5685106666666666 0.485747 0.694697