The sunflower (Helianthus annuus L.) genome reflects a recent history of biased accumulation of transposable elements.
Staton SE, Bakken BH, Blackman BK, Chapman MA, Kane NC, Tang S, Ungerer MC, Knapp SJ, Rieseberg LH, Burke JM. The sunflower (Helianthus annuus L.) genome reflects a recent history of biased accumulation of transposable elements. Plant J. 2012 Oct; 72(1):142-53.