condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.11443033333333334 0.0 0.343291 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.7833900000000003 0.0 7.30555 Root 0.5576873333333333 0.0 1.32379