condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.7449463333333334 0.0 1.72272 Young Stem with Root 0.14046 0.0 0.42138 Mature Stem with Root 5.06536 0.0 13.3592 Root 0.7619023333333333 0.649729 0.944549