condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.09766966666666667 0.0 0.293009 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.701117 0.928754 6.18058 Root 22.261123 0.257899 65.4449