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 0.042509 0.0 0.127527 Stolon 0.0 0.0 0.0 Stolon with Root 4.185496666666666 1.21671 6.1513