condition mean min max Sterile Frond 0.1521586 0.0 0.367968 Fertile Frond 2.1844389333333334 0.0437368 4.65966 Young Stem with Root 0.041355666666666666 0.0 0.124067 Mature Stem with Root 0.0279846 0.0 0.0839538 Root 0.0418051 0.0 0.0779358