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 0.6926633333333333 0.0 2.07799 Stolon 0.0 0.0 0.0 Stolon with Root 8.762433333333332 2.40917 20.0479