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 0.38535733333333333 0.0 0.800024 Stolon 0.0 0.0 0.0 Stolon with Root 2.249904 0.737192 3.15503