condition mean min max Sterile Frond 0.223303 0.0 0.669909 Fertile Frond 0.1323486 0.0 0.360082 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.1207 0.0 12.3621 Root 0.25441966666666666 0.0 0.763259