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 0.8848933333333333 0.0 2.65468 Stolon 0.0 0.0 0.0 Stolon with Root 3.8255033333333333 2.02123 7.07894