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 12.178656 0.0 35.8917 Stolon 0.0 0.0 0.0 Stolon with Root 6.637380666666666 0.676396 18.5309