condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 4.265533333333333 0.0 12.7966 Fertile Leaflet with Sori 0.53614 0.0 0.939919 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0