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 0.132798 0.0 0.398394 Stolon 0.0 0.0 0.0 Stolon with Root 2.406601333333333 0.226034 4.53693