Figure 1
From: Unreduced gametes and neopolyploids in natural populations of Achillea borealis (Asteraceae)

Flow cytometer output of relative fluorescence (FL2-A) for representative samples containing (a) only tetraploid leaf tissue, (b) approximately equal amounts of tetraploid and hexaploid leaf tissues and (c) a 5:1 ratio of tetraploid and hexaploid leaf tissues.