Variation in minimum genome size.

<p>Variation expressed in area (µm²), between non-reproductive thalli of <i>C. prolifera</i>, <i>C. racemosa</i> var. <i>cylindracea</i> and <i>C. taxifolia,</i> and reproductive <i>C. prolifera</i> (sample size n = 791, 962, 280, 517, respectively). The + near the median bar indicates location of the sample means. Genome of invasive thalli is smaller (F coefficient 603.23, <i>P</i><<i>0.0001</i>).