condition mean min max Sterile Frond 2.1165730000000003 0.397159 4.26407 Fertile Frond 5.276733 0.399089 13.4412 Young Stem with Root 7.009773999999999 0.0 20.7032 Mature Stem with Root 2.116459 0.662857 4.01297 Root 8.160628333333333 0.0 24.1212