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 0.055341 0.0 0.166023 Stolon 0.0 0.0 0.0 Stolon with Root 5.6523666666666665 0.0 16.9571