condition mean min max Sterile Leaflet 0.023355 0.0 0.070065 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 0.8947924666666667 0.0686724 1.90767 Stolon 0.2184855666666667 0.0876717 0.437178 Stolon with Root 7.8654 5.53672 12.4122