condition mean min max Sterile Frond 0.4772126666666666 0.0 1.13726 Fertile Frond 0.9019583333333333 0.181944 1.93749 Young Stem with Root 6.6322 0.0 19.8966 Mature Stem with Root 0.8779 0.294114 1.52904 Root 4.8696354 0.0455662 12.434