condition mean min max Sterile Frond 4.357424 0.777282 10.103 Fertile Frond 4.920712333333333 0.524777 13.2044 Young Stem with Root 0.8499023333333333 0.43965 1.15319 Mature Stem with Root 0.723793 0.0 1.89687 Root 2.64541 0.0 7.93623