相关期刊:《Journal of Systematics and Evolution》《Frontiers in Biology》《American Journal of Plant Sciences》《Journal of Northeast Agricultural University(English Edition)》更多>>
Taxonomists are divided over the infrageneric classification and species delimitation within the genus Cycas. The division is largely determined by whether a broad or narrow species concept is adopted, the latter appr...
supported by the National Natural Science Foundation of China(GrantNo.30121003)
The meiotic behavior of 10 taxa (nine species and one variety) of the genus Pinus was investigated using pollen mother cells (PMCs) to reveal the differentiation among karyotypes. Chromosome spreads were prepared ...