condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.5604873333333333 0.190251 1.30038 Young Stem with Root 2.1252400000000002 0.0 6.37572 Mature Stem with Root 0.112392 0.0 0.17191 Root 2.556127 0.0 6.71838