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 0.201897 0.0 0.605691 Stolon 0.0 0.0 0.0 Stolon with Root 5.759799999999999 0.0 17.2794