condition mean min max Sterile Frond 12.183853333333333 6.97596 16.2002 Fertile Frond 12.6968 9.3121 17.0563 Young Stem with Root 24.020899999999997 15.8029 39.8724 Mature Stem with Root 22.5017 17.5943 25.1972 Root 14.613199999999999 13.6381 16.3666