condition mean min max Sterile Frond 0.325924 0.0 0.622563 Fertile Frond 2.41201 2.06695 2.82146 Young Stem with Root 15.781766666666666 15.0858 16.3083 Mature Stem with Root 33.107926666666664 7.89258 61.1147 Root 0.0 0.0 0.0