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 0.4887626666666667 0.0 1.04773 Stolon 0.0 0.0 0.0 Stolon with Root 2.788431666666667 0.968615 4.51515