condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.61772 0.0 3.60453 Young Stem with Root 0.296805 0.0 0.890415 Mature Stem with Root 1.6813466666666668 1.0379 2.20919 Root 25.598793333333333 0.67697 73.7935