condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.070953333333333 0.0 6.21286 Fertile Leaflet with Sori 1.8937866666666665 0.0 4.15931 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0