condition mean min max Sterile Frond 0.17314016666666668 0.0 0.489128 Fertile Frond 0.446591 0.27559 0.751899 Young Stem with Root 4.99344 0.0 8.53637 Mature Stem with Root 0.21903296666666666 0.0 0.55748 Root 0.0228509 0.0 0.037785