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 0.076302 0.0 0.228906 Stolon 0.0 0.0 0.0 Stolon with Root 2.542073333333333 0.0 7.62622