condition mean min max Sterile Frond 2.092239 0.992437 2.93671 Fertile Frond 3.0936393333333334 0.586018 5.93108 Young Stem with Root 3.091559 0.271587 6.39396 Mature Stem with Root 4.18868 2.14977 6.1917 Root 4.299060333333333 0.752241 6.21327