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 0.9108646666666667 0.163244 1.53495 Stolon 0.024843 0.0 0.074529 Stolon with Root 2.2078766666666665 1.1884 3.95546