标签：sources
- University Human Resources | The University of Iowahr.uiowa.edu
- USDA-ARS Germplasm Resources Information Network (GRIN)www.ars-grin.gov
- 中国大洋矿产资源研究开发协会www.comra.org
- 中国作物种质资源信息网(CGRIS-Chinese Crop Germplasm Information Network)-Welcomewww.cgris.net
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