condition mean min max Sterile Frond 2.946938 0.470894 4.77876 Fertile Frond 1.969993 0.553079 4.29797 Young Stem with Root 0.13123766666666667 0.0 0.393713 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0