condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 6.979522666666666 0.0 20.1526 Fertile Leaflet with Sori 1.106125 0.0 2.80241 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0