@article{Wang Ning-Zhu:370, author = {Wang Ning-Zhu}, title = {Chromosome Numbers and Karyotype Analysis of 9 Species in Hydrocharitaceae}, publisher = {J Syst Evol}, year = {1986}, journal = {Journal of Systematics and Evolution}, volume = {24}, number = {5}, eid = {370}, numpages = {5}, pages = {370}, keywords = {