condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 1.4788 0.0 4.4364 Mature Stem with Root 0.23208133333333333 0.0 0.364816 Root 2.56361 0.0 7.69083