condition mean min max Sterile Frond 0.09735433333333333 0.0 0.292063 Fertile Frond 1.645475 0.435954 3.76097 Young Stem with Root 2.9996600000000004 0.325895 8.13249 Mature Stem with Root 1.358601 0.0 3.41118 Root 6.9556033333333325 0.37243 19.339