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 2.4426633333333334 0.0 3.77737 Stolon 0.0216036 0.0 0.0648108 Stolon with Root 0.022415933333333336 0.0 0.0357951