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 1.3447866666666668 0.0 4.03436 Stolon 0.85797 0.0 2.57391 Stolon with Root 3.6070433333333334 1.75026 6.69948