condition mean min max Sterile Frond 0.2511417 0.0 0.676547 Fertile Frond 0.8896183 0.0760279 2.13884 Young Stem with Root 2.87834 1.15818 3.83914 Mature Stem with Root 4.3729667 0.0732731 12.5702 Root 5.011928 0.0 14.8212