condition mean min max Sterile Frond 12.179366666666667 0.0 36.5381 Fertile Frond 9.457033333333333 0.0 28.3711 Young Stem with Root 0.015318400000000001 0.0 0.0459552 Mature Stem with Root 0.39716 0.0 1.19148 Root 0.0325998 0.0 0.0977994