condition mean min max Sterile Frond 50.8939 0.0 119.269 Fertile Frond 10.084983333333334 0.0 22.1314 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.270731 0.0 0.812193 Root 0.0 0.0 0.0