condition mean min max Sterile Frond 0.1616494 0.0 0.390934 Fertile Frond 3.251637 0.733181 8.06121 Young Stem with Root 11.766979000000001 0.305137 22.5731 Mature Stem with Root 1.216504 0.55895 2.43209 Root 2.163259 0.952627 3.08863