condition mean min max Sterile Frond 3.7429133333333335 0.0 8.053 Fertile Frond 0.8474200000000001 0.0 2.54226 Young Stem with Root 1.672212 0.0 4.22395 Mature Stem with Root 5.82019 0.0 15.1205 Root 1.1466976666666666 0.0 2.85816