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 2.4540513333333336 0.697064 5.33842 Stolon 0.0 0.0 0.0 Stolon with Root 0.8130493333333333 0.588608 1.01273