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 7.45936 3.40655 13.1295 Stolon 0.0 0.0 0.0 Stolon with Root 1.2913833333333333 0.0 3.87415