condition mean min max Sterile Leaflet 2.4057623333333336 0.0 6.36327 Fertile Leaflet with Sori 1.4085663333333334 0.275713 3.39828 Primary Rachis 0.274463 0.0 0.823389 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0