condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 3.191656666666667 0.0 9.57497 Fertile Leaflet with Sori 0.6819149999999999 0.0 1.33316 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