Bogler, DJ, Francisco-Ortega, J. (2004). Molecular systematic studies in cycads: Evidence from trnL intron and ITS2 rDNA sequences
.
BOTANICAL REVIEW, 70(2), 260-273. 10.1663/0006-8101(2004)070[0260:MSSICE]2.0.CO;2
Bogler, DJ, Francisco-Ortega, J. (2004). Molecular systematic studies in cycads: Evidence from trnL intron and ITS2 rDNA sequences
. BOTANICAL REVIEW, 70(2), 260-273. 10.1663/0006-8101(2004)070[0260:MSSICE]2.0.CO;2