condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.354573333333333 0.0 7.06372 Fertile Leaflet with Sori 0.4163246666666667 0.0 0.857669 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0