Angiosperm phylogeny inferred from a combined data set of 18 S rDNA, rbcL, and atpB sequences. - Soltis,D..E..; Soltis,P..S..; Chase,M..W..; Mort,M..E..; Albach,D..C..; Zanis,M..; Savolainen,V..; Hahn,W..H..; Hoot,S..B..; Fay,M..F..; Axtell,M..; Swensen,S..M..; et al. (Botanical Journal of the Linnean Society, 2000)