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 0.15047633333333335 0.0 0.451429 Stolon 0.0 0.0 0.0 Stolon with Root 10.261133333333333 0.0 30.7834