Plant inventory; plant material introduced.no.51-60 (1922)
Agricultural Research Center (Beltsville, Md.)|Agricultural Research Center-West (U.S.). Northeastern Region.|United States. Agricultural Research Service. Horticultural Crops Research Branch.|United States. Science and Education Administration. Federal Research.
更多信息iFlora Books 数据来源于各网络文献平台,下载的pdf文件仅供读者试读，如需大量阅读请自行购买图书。