condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.14306066666666667 0.0 0.429182 Young Stem with Root 0.31167966666666663 0.0 0.935039 Mature Stem with Root 13.80818 1.18646 38.1728 Root 7.409689999999999 0.18892 12.4385