condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.038143333333333335 0.0 0.11443 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.4944403333333334 0.966911 8.47179 Root 0.23284800000000003 0.0 0.698544