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 3.818649 0.0 11.3071 Stolon 0.0 0.0 0.0 Stolon with Root 0.42876333333333333 0.0 1.28629