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 4.5336 0.0 13.6008 Stolon 0.0 0.0 0.0 Stolon with Root 1.2752466666666666 0.0 3.82574