condition mean min max Sterile Frond 2.6658399999999998 0.0 7.99752 Fertile Frond 0.09661133333333333 0.0 0.289834 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0