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 5.675156666666667 1.17364 8.36931 Petiole 0.0 0.0 0.0 Crozier 0.046490333333333335 0.0 0.139471 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0