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 2.2826923333333333 0.0 6.33118 Stolon 0.0 0.0 0.0 Stolon with Root 0.307386 0.0 0.538852