condition mean min max Sterile Leaflet 0.7949766666666668 0.0 2.38493 Mature Sterile Leaflet 0.55167 0.0 1.65501 Fertile Leaflet with Sori 6.027903333333333 1.43878 14.8859 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