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 7.6273626666666665 0.0 22.6512 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0