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 0.8489366666666666 0.0 2.54681 Stolon 0.0 0.0 0.0 Stolon with Root 4.104326666666666 2.65062 6.93394