condition mean min max Sterile Frond 0.1138537 0.0 0.262587 Fertile Frond 0.05971866666666666 0.0 0.0921461 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.4395860000000003 0.166902 9.8229 Root 1.6275410000000001 0.154033 2.91726