condition mean min max Sterile Leaflet 1.57747 0.0 4.73241 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 1.62941 0.0 4.88823 Crozier 4.040066666666667 0.0 6.25363 Rhizome 0.61165 0.0 1.83495 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0