condition mean min max Sterile Leaflet 0.404599 0.0 0.731146 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 4.981393333333333 1.85835 7.54735 Rhizome 0.0 0.0 0.0 Stolon 0.277231 0.0 0.831693 Stolon with Root 0.6767966666666667 0.0 1.59856