condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 3.9810666666666665 0.0 11.9432 Fertile Leaflet with Sori 0.7224006666666667 0.0 1.3692 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