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 0.26304500000000003 0.0 0.624441 Stolon 0.065961 0.0 0.197883 Stolon with Root 2.230636666666667 0.0 4.10932