condition mean min max Sterile Frond 2.2148950000000003 0.128553 6.25806 Fertile Frond 0.4318263333333333 0.0 1.14804 Young Stem with Root 0.09935300000000001 0.0 0.298059 Mature Stem with Root 0.04426373333333333 0.0 0.107055 Root 0.14570413333333335 0.0 0.355007