condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.84596 0.0 8.53788 Fertile Leaflet with Sori 0.88172 0.0 1.36656 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