condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.296539666666667 0.0 6.74312 Fertile Leaflet with Sori 1.2663746666666666 0.0 3.44225 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