condition mean min max Sterile Frond 2.5939259999999997 0.835748 5.0245 Fertile Frond 6.260350000000001 1.57034 14.6757 Young Stem with Root 2.2565956666666667 0.0 6.414 Mature Stem with Root 1.2885123333333333 0.440727 1.96117 Root 7.28965 1.10554 16.4429