condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.7374563333333333 0.366695 1.46094 Young Stem with Root 0.100211 0.0 0.300633 Mature Stem with Root 0.51104 0.0 1.53312 Root 11.739906 0.663218 26.8549