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 0.40551333333333334 0.0 1.21654 Stolon 0.0 0.0 0.0 Stolon with Root 4.026033333333333 1.63928 8.02031