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 6.985776666666667 0.0 19.9551 Stolon 0.0 0.0 0.0 Stolon with Root 0.1686034 0.0709002 0.321725