condition mean min max Sterile Frond 16.0063 0.0 37.1967 Fertile Frond 3.5447333333333333 0.0 10.6342 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.10160400000000001 0.0 0.304812 Root 0.0 0.0 0.0