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 4.83751 0.0 9.53073 Stolon 0.0 0.0 0.0 Stolon with Root 1.5212476666666666 0.0 4.28851