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 2.057058 0.168898 5.60302 Stolon 0.768146 0.0 1.51038 Stolon with Root 0.05478566666666667 0.0 0.164357