condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.3255766666666666 0.0 6.97673 Fertile Leaflet with Sori 0.25472833333333333 0.0 0.424329 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.058295 0.0 0.0915098 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0