condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 1.90926 0.0 5.72778 Fertile Leaflet with Sori 0.10170833333333333 0.0 0.305125 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