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 1.6077066666666668 0.0 4.82312 Stolon 0.39729 0.0 1.19187 Stolon with Root 4.12804 2.68701 5.08865