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 5.1153 0.0 15.3459 Stolon 0.0 0.0 0.0 Stolon with Root 0.24391133333333334 0.0 0.551525