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 0.385102 0.0 0.936872 Stolon 0.0 0.0 0.0 Stolon with Root 8.473983333333333 2.45726 14.344